A little boy is on his knees scooping and packing the sand with plastic shovels into a bright blue bucket.
一个小男孩跪在地上，用塑料铲把沙装进一个浅蓝色的桶里。
A little boy is on his knees scooping and packing the sand with plastic shovels into a bright blue bucket.
男孩跪在那儿用塑料铲挖沙子，并把沙子装在一个鲜艳的蓝桶里。
Production line of reshaping silica sand mainly consists of raw sand drying, reshaping, screening, packing section and dust collecting system.
整形硅砂生产线主要由原砂烘干、整形、筛分、包装工段以及除尘系统组成。
This product is adopted and passed the silkworm sand with refined special craft as the packing material.
本品采用经过特殊工艺精制的蚕砂作为填充物。
The gravel packing in casing is a effective method to prevent sand production.
套管内砾石充填防砂是一种行之有效的防砂方法。
It provided the optimum design parameters for gravel packing sand control design in horizontal well.
为水平井砾石充填防砂设计提供了优化设计参数。
For high permeability and loose sand in bohai, these links are composed of wire wrapped screen, gravel packing zone, perf, skin and near wellbore undisturbed formation.
具体到渤海高渗透疏松砂岩，这些环节包括绕丝筛管、砾石充填层、射孔孔眼、压实带及近井原状地层。
This paper proceeds some discussion about the optimized sand-ratio, ave rage paste thickness and aggregate packing degree in the packing concrete mix proportion design.
本文对密实混凝土配合比设计中的最优砂率、平均胶结浆体厚度、骨料密实度进行了一些探讨。
The paper presents laboratory research on the physical simulation and numerical simulation of the gravel packing sand control in the horizontal well.
介绍了水平井砾石充填防砂物理模拟和数值模拟的实验研究。
Incipient motion of solid grain in solid-liquid two \ | phase flow is often concerned in many petroleum technologies, such as horizontal drilling, gravel-packing and sand washing.
水平井钻井、砾石充填及冲砂等作业都涉及到固液两相流动的固体颗粒起动问题。
Living short neck clam, sand out, pearl out by machine one by one, IQF, packing in vacuum.
加工方法：活贝，吐沙，仪器排除珍珠，冷冻，真空包装。
The term is also used in gravel packing to describe the act of placing all the sand or gravel in the annulus.
该术语同样用于砾石充填，去描述在环空内充填沙子或砾石。
At last, the productivity predicting model of the high-pressure packing sand-control well with the transitional zone is established based on the fluid mechanics in porous medium.
最后，根据渗流力学原理建立了更加完善的高压充填防砂井产能预测模型。
The successful application of water carried gravel packing sand control technique has solved the problems existed in the previous sand control…
水充填砾石防砂技术在该油田的成功应用，解决了以往防砂措施存在的问题，并取得了良好防砂效果。
The successful application of water carried gravel packing sand control technique has solved the problems existed in the previous sand control…
水充填砾石防砂技术在该油田的成功应用，解决了以往防砂措施存在的问题，并取得了良好防砂效果。
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