溆浦砂锡矿床赋存在第四系冲积层中锡石主要富集在底部砂砾石层。
Placer tin deposit in xupu occurs in alluvial sediment of quatemary system and cassiterite chiefly concentrates at the bottom of gravel layers.
一层专用的织物覆盖着砂砾。
泉水边的沙砾中埋着一根树杈，树杈上顶着一个锡杯。尼克·亚当斯看着杯子，看着不断涌出的泉水又完全流入了路边的砂砾层。
There was a tin cup on a forked stick that was stuck in the gravel by the spring and Nick Adams looked at it and at the water rising and then flowing clear in its gravel bed beside the road.
本文在回顾了滤层保砂性设计的几种方法后，提出了广级配砂砾滤层保砂性的设计计算式。
After reviewing a few design methods of sand gravel filters, a new design method of filter using broad graded materials is proposed in the paper.
小石头、砂砾层也可用来做隔绝层，以保持水分，降低土壤的温度。
Pebbles and gravel also insulate the soil to keep surface temperatures low and preserve water.
对冻结风化基岩、砂砾层或卵石层，冻土挖掘机效率低，宜采用钻眼爆破法，采用抓岩机装载冻土。
For the frozen weathered bedrock, sandy gravel and pebble bed, it is more suitable to use drilling and blasting method than to use the frozen soil excavator.
并且随着埋藏深度的增加，要求作为仓储层的砂砾岩体厚度也随之增大。
With the burial depth increasing, the thickness of glutenite body as storage layer should be thicker.
对在砂砾石层上钻孔的工艺要进行分析，并采取适当的改进措施。
It should analysis on the craft of drilling in sand-stone layer, better to accept the improve methods in properly.
溆浦砂锡矿床赋存在第四系冲积层中，锡石主要富集在底部砂砾石层。
Placer tin deposit in Xupu occurs in alluvial sediment of Quatemary SyStem and CaSSiterite chiefly concentrates at the bottom of Gravel layers.
东营凹陷北部陡坡带砂砾岩体广泛发育，该类地层的岩性识别、储层划分、地质参数计算等一直是测井评价所面临的难题。
Such problems as lithological discrimination, reservoir zonation and geological parameter calculation have been faced with a difficult problem on log evaluation of the glutinite formation.
同时在仓储层中显示油气成藏和有油气运移痕迹所要求的砂砾岩体厚度是相近的，而与无油气运移痕迹的砂砾岩体厚度有明显的差别。
The thickness of glutenite body required for storage layers and hydrocarbon migration trace was close, which was very different from thickness without migration trace.
储层类型属低孔低渗砂岩和砂砾岩；
The reservoirs are low porosity and low permeability sandstone and conglomeratic sandstone reservoirs.
当三层堤基浅砂层较薄时，将发生深层管涌破坏，管涌破坏区涉及浅砂层及下部砂砾石层，其宽度和深度较双层堤基大，出口涌砂量也较多。
But for triple stratum foundation, if the top sand layer is relatively thin, piping is vertical. The damage zones are large in width and depth that expand to the sand layer and gravel layer.
罗家地区砂砾岩体规模大、厚度大、岩石结构复杂、储集层非均质性强，储集层评价有很高的难度。
Reservoir evaluation is very difficult in Luojia area for thick, large? Scale glutenite body, complex structure of the rock and strong heterogeneity of reservoirs.
砂砾岩储层的物性随着沉积环境的不同表现出较大的差异，且以扇三角洲前缘亚相水下分流河道微相最好。
Physical properties of the sandy conglomerate reservoirs differ greatly in different depositional environments, and the best occurs in underwater distributary channel on fan delta front.
砂砾层，水泥稳定石层，和混凝土层的厚度仅供参考，最终将根据中国规范精确的测算出其各自厚度。
The gravel, grave cement and concrete thickness are given for reference only; the final thickness will be accurately calculated according to Chinese regulation.
采用粒度分析、岩石岩性分析、砾石统计等方法，本文认为新疆叶城地区第四纪粗砂砾层为冲积-洪积类型。
A series of Quaternary sands and gravels are well distributed on the northern foot of West Kunlun Mountains in Yecheng area oi' Xinjiang.
异常高压对砂砾岩储层的改善具有重要作用。
Surpressure has vital function for reforming reservoir quality in this area.
通过对砂砾层的研究，他的团队得以估计出这些海啸发生的大致日期，其中最早的是在3500年以前。
Looking at the layers allowed his group to estimate the rough dates of waves that struck as far back as 3,500 years ago.
通过对砂砾层的研究，他的团队得以估计出这些海啸发生的大致日期，其中最早的是在3500年以前。
Looking at the layers allowed his group to estimate the rough dates of waves that struck as far back as 3,500 years ago.
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