• 常见的空间那些松散未固结砾石组成颗粒沙粒卵石之间的空间。

    The commonest spaces are those among the particlessand grains and tiny pebblesof loose, unconsolidated sand and gravel.

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  • 今天刚刚上班徒弟过来师父今天看到船台那条下水奇怪好好的螺旋桨又是又是喷漆。

    Todaywhen I just to begin the work, the small disciple come to ask me: master, I sawthe berth of the quick launching ship is very strange, the good propeller is sandingand painting.

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  • 大坝采用天然为主、掺入以调整级配方式生产。

    The cushion layer for the dam is constructed with the material prepared mainly with natural sandy gravel and mixed with proper amount of pebble and coarse sand.

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  • 这些具有分布范围横向变化且互不连通特点。

    These sandstone lenses are characterized by a small range of extention, a rapid horizontal variation and the isolation from one another.

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  • 壳气味薄,燥性弱者之较为适宜

    It is more suitable for weak stomach with over active liver.

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  • 通过新风隧道采用导管超前预支护技术成功克服了短隧道的开挖问题

    Whereas the new wind-blown sand tunnel has adopted small duct leading pre-bracing and overcome problem with excavation.

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  • 这些卵石层一般具有深不大、变形承载力厚度特点

    These sand gravels stratum have the characters of shallow cover, small transform, high bearing capability and big thickness.

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  • 玻璃钢加设备研制过程遇到输送量要求输送装置占用空间问题

    The problems of conveying a large quantity of sand while keeping small occupying space of sand-conveying equipment are come across in developing sand-feeding equipment.

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  • 锥面机械密封应用离心上,经钻井公司使用效果良好泄漏量寿命功耗低。

    The conic mechanical seal has been used in sand pumps in oil fields with well performance, long life, low leakage and low power loss.

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  • 压裂液配制简单,不需要杀菌剂破胶剂,具有流变性、造缝能力强、地层伤害、使用方便优点。

    Other advantages of it are good rheological property, strong fracture making ability and sand carrying capacity, and little damage to formation, etc.

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  • 具有洗净度结构合理处理量大,功耗,洗过程中流失少。

    High clean degree, proper structure, high processing capacity, low power consumption, low material loses.

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  • 根据低渗透均质油藏特点,分析了启动压力梯度纵向均质性、厚度和平厚度展布对该类油藏开发影响

    The influences of threshold pressure gradient, vertical heterogeneity, subzone thickness and areal sand thickness distribution on development of low-permeability heterogeneous reservoirs are analyzed.

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  • 若是基质,用表面5 -10厘米的基质,找出中的动物,点鉴定。好评(0)。

    For soft substratum, dig out the top layer (5-10 cm thick), sort out the animals, identify and count them.

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  • 研究地膜覆盖南瓜生育特性水分利用效率影响

    This paper studied the effect of plastic film mulch cover on growth and development and water use efficiency of small squash in the dryland.

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  • 花园鳗鱼钻入珊瑚礁

    Garden eels are small eels that burrow into sands of coral reefs.

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  • 滑溜虽然其他压裂液损害程度,但也容易导致支撑裂缝底部发生沉降,并非有效的携介质。

    Slickwater, while less damaging than other fluids, is an ineffective fluid transporter that leads to proppant settling on the fracture bottom close to the wellbore.

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  • 具有洗净度高、结构合理处理量大、功率消耗流失、故障率低等特点,国内设备升级换代最佳选择

    It has high cleaning, reasonable structure, large capacity, small power consumption, less and loss, and low failure rate, is the best choice for upgrading of domestic sand washing equipment.

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  • 灌水器流道堵塞系统首部增设过滤装置,过滤器即生产中最常用一种。

    But the flow path in Micro-irrigation emitter is so small that plug happened easily, so filtering system is needed to add to the header of irrigation system.

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  • 改性醛树脂用于成本地面粘度、可、施工操作方便强度渗透率较高,有一定的应用前景。

    When using beetle for sand control, the cost is low, surface viscosity is low, pumpability is good, operation is simple, and both the strength and permeability after sand consolidation are high.

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  • FII 2以上分流河道研究区主要的油气聚集体,今后勘探开发提供了重要依据

    Distributary channel sand bodies of above FII2 small layer is best reservoirs, which is key evidence for exploration and development in the future.

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  • 沙湾黄河大桥主桥箱梁C55混凝土配合比施工工艺进行了研究重点分析了混凝土性能影响

    This paper researches the mix ratio of C55 concrete and construction technology of Xiaoshawan Bridge box girder, especially the influence of hill sand on concrete performances.

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  • 重型具有适中柔软度平整延伸率适合各种带、异型制品。

    Heavy paper backing, with medium softness, flat sanding surface and small extension. Suit for making various kinds of belts and specialty abrasives.

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  • 颗粒配及水质条件力学性质密切相关,水位的存在使地基具有上硬下软的双元结构特点,与相对密度相同的石英地基相比,其沉降变形几十

    Double-Layer structure in subsoils is caused by water level and the settlements of subsoils are several dozen 'times smaller than those of quartz sands for 3rd band buildings.

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  • 结合工程实例对浆无混凝土复合地基的设计原理施工工艺进行了综合分析 ,并强调施工中应注意施工现场的质量管理和质量核验 。

    The principle and technical requirement of throwing stone and pressing mud concrete pile are described, and its actual application to the compound foundation is introduced.

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  • 工程实践表明:短处理河道驳岸土地基,具有施工简单、造价低、环境影响地基承载力明显提高的优点,因此值得推广应用

    The fulfillment proves that the shallow-dense sand pile could be used in treatment soft foundation on the river bank. Its feasibility and economy are p…

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  • 工程实践表明:短处理河道驳岸土地基,具有施工简单、造价低、环境影响地基承载力明显提高的优点,因此值得推广应用

    The fulfillment proves that the shallow-dense sand pile could be used in treatment soft foundation on the river bank. Its feasibility and economy are p…

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