High pressure ring-shaped DTH drills are key equipment for underground high level large diameter long hole mining.
高气压环形潜孔钻机是地下矿山高阶段大直径深孔采矿的关键设备。
The numerical simulation method based on software FLAC3D for the large-diameter long pile is discussed, and the influences of parameters of soil-pile interface on the numerical results are analyzed.
基于FLAC3D数值分析软件,探讨了大直径长桩的数值模拟方法,分析了桩土间接触面参数对数值计算结果的影响。
However, ancient giant sequoias can have trunks that are 30 feet in diameter — far too big to be sampled using even the longest coring tools, which are only three feet long.
然而,古代巨型水杉木的树身可以长到直径30英尺——即使最长的年轮取芯工具(长度只有3英尺)也无法顺利取样。
As of now, our own water supplies are in good shape. We still have three 18-ft long, 12-inch diameter pipes full of it.
就眼下来说,我们的供水也很充足:我们还有三根18英尺长,12英寸直径的水管装满淡水。
The south polar region of the 500 kilometer-diameter moon is illuminated, including plumes of water vapor and icy particles spraying above the long fissures in the moon's surface.
这颗直径 500 千米的卫星的南极区域被阳光照亮,可以看到在这颗卫星表面的长长的裂缝中,有着缕缕上升的水蒸气和冰晶。
The core of RealView's endoscopy capsule is a hard plastic cylinder 25mm long and 7.5mm in diameter.
RealView公司生产的内窥镜胶囊核心是一个25毫米长、直径7.5毫米的硬塑料圆柱体。
Dynamic load stimulated the growth of longitudinal diameter of long bone more greatly than static load.
动力性负荷对长骨长径生长的促进作用大于静力性负荷。
Diathermanous furnace inductor, is also know as through-type inductor, it is long or short according to the length of heating workpiece and the diameter of the workpiece.
透热炉感应器,又称贯通式感应器,根据加热工件的长短和工件的直径大小,感应器有长有短。
The pump connects to a 33-foot-long, four-inch-diameter polyester-and-rubber hose.
水泵连接了一条长 33 英尺、直径为 4 英寸的聚酯胶管。
The space slug was realized as a puppet 79 centimeters long and 28 centimeters in diameter.
太空蛞蝓由一个长79厘米、直径28厘米的模型实现。
As long as the structure and the pore diameter of microporous tube can be controled appropriately, the vast majority of 0.2 micron particulates can be filtered out.
只要微孔管的结构与微孔管的毛细孔径控制恰当,可以将0.2微米的微粒绝大部份滤住。
This paper puts forward a new design method for group piles considering of the space-varying rigidity and changes the traditional method of "equal long, equal distance, equal diameter".
提出了一种考虑空间变刚度的群桩设计新方法,改变“等桩长、等桩距、等桩径”的传统设计方法。
Based on the field loading tests and FEM numerical simulation analysis, the paper probes into the potential bearing capacity of large diameter and super-long bored-cast-place piles.
基于入和没入硬层时有限元数值模拟对比分析和持力层不同时同场地现场对比试验资料分析,对大直径超长灌注桩的承载潜力问题进行了探讨。
For concrete lining construction of long inclined shaft with steep obliquity and big diameter, the construction technology is complex and difficult.
陡倾角大直径长斜井混凝土衬砌施工技术复杂,施工难度特别大。
The core of Long March 6 will use the standard 3.35-meter (11-ft.) diameter of the current Long March series, Meng and other SAST officials say.
长征6个核心将使用标准的3.35米的长征系列目前,孟,其他先科官员说,(11英尺)的直径。
General rule for shortening length of long broach with big diameter is discussed, and special measures for shortening various broaches' length based on their features are also introduced.
文章讨论了缩短大直径拉刀长度的一般规律,以及根据各种拉刀的特点,缩短其长度的特殊措施。
Construction technique of concrete lining of long inclined shaft with steep obliquity Angle and large diameter is complex and extremely difficult.
陡倾角大直径长斜井混凝土衬砌施工技术复杂,施工难度大。
It is pointed out that the wire rope enterprises of China have a long way to go compared with those of developed countries in aspect of large diameter wire ropes with important USES.
介绍国外钢丝绳企业现状,指出国内钢绳生产企业大直径重要用途钢丝绳与发达国家相应生产企业的多项差距。
This welding process, with continuous welding wire feeding, fast deposit speed and quality welding pass, is especially suitable for long distance pipeline with large diameter and thick wall.
全位置自动焊接技术的特点是,焊丝可以连续送进,焊丝熔敷速度快,焊接质量较高,尤其适用于大口径、厚壁管的焊接。
The structure, constitute, working principle, and design feature of automatic welding system which pro- duces extra- thin, large diameter, long tube, and longitudinally or circle weld are introduced.
介绍了超薄壁,大直径,长筒体,纵、环缝自动焊接系统的结构、组成、工作原理及设计的主要特点。
Aggregate long ellipsoid, 13 cm long, 9 cm in diameter; pericarp with glaucous lenticels.
聚合果长椭球形,长达13厘米,直径约9厘米,外果皮有苍白色皮孔。
The excavation of long shaft under high dip Angle and large diameter has a big difficulty and a high risk.
陡倾角、大直径、长斜井开挖施工难度大、危险程度高。
Internal coating used in high pressure, large diameter and long distance gas pipeline has two main functions, one of them is anti corrosion and the other is drag reduction.
高压、大口径、长输天然气管道采用内涂层主要具有两大功能,一是防腐蚀,二是减阻。
The main work and production of the paper are as follows, (1) Long diameter saturated steam pipes belong to active thermodynamic objects.
论文完成的主要工作及取得的成果如下: (1)大直径饱和蒸汽管道属于有源热工部件。
The current standard mainly establishes at the aim of short intermediate pile, the design method of the long and large diameter bored piles is less targeted and its applicability is not wide.
当前的规范主要是针对中短桩建立而成的,对于超长大直径钻孔灌注桩的设计,其针对性不强,存在适应性问题。
The bearing characteristic of large diameter and super-long pile in quaternary soil layer is analyzed in the case of no good bearing layer (such as rock, sand and cobble layer) and no ripe experience.
在没有良好的持力层(基岩或砂、卵石层)和成熟经验可借鉴的情况下,对第四系土层大直径超长桩(钻孔灌注桩)的承载特性进行了分析。
Low voltage supplied to the heater, indicating that cable diameter is too small or run is too long.
加热器的供电电压低。可能连接到加热器的电缆直径过小或长度过长。
Low voltage supplied to the heater, indicating that cable diameter is too small or run is too long.
加热器的供电电压低。可能连接到加热器的电缆直径过小或长度过长。
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