查询词典 water jet

This study found that pump jet's inflow velocity affect all flow field when in shallow water; pump-jet almost avoids tangling problem;rim-driven propellers can easily clean tangled material by reversing operation or different speed, and can still operate even when ropelike material stuck with the blades.

研究结果发现：在模拟泵喷推进器出入口方面，入口流速只在浅水时对整个流场影响较大。

This paper researches the jet pump performance in the water supply of hydropower station technology,through numerical value calculation to determine the geometric size of the flow components,and ensure the efficiency to be the highest value,and Derives the expression for efficiency and performance,protracts operating characteristics of jet pump and efficiency feature curve under different area.

本文针对水电站技术供水中的射流泵进行性能研究，通过数值计算，确定各过流部件的几何尺寸，以保障效率达到最高值。

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According to the experiment, aeration performance of the jet aerators is gradually increased when the water becoming deeper. The aeration performance of the jet aerators is the best at the depth of 4.5 meter.

在清水实验中，设置了4个测试断面，通过实验可知射流器随着水深的增加充氧性能逐渐提高。

The dry and wet jet two types of jet aircraft, conveying gas from the former dry mixing materials, in the nozzle and pressure mixture of water emitted from the latter by the gas or to transport concrete pump nozzle emitted by the concrete mixture.

分干式喷射机和湿式喷射机两类，前者由气力输送干拌合料，在喷嘴处与压力水混合后喷出；后者由气力或混凝土泵输送混凝土混合物经喷嘴喷出。

The dry and wet jet twotypes of jet aircraft, conveying gas from the former dry mixingmaterials, in the nozzle and pressure mixture of water emitted fromthe latter by the gas or to transport concrete pump nozzle emittedby the concrete mixture.

分干式喷射机和湿式喷射机两类，前者由气力输送干拌合料，在喷嘴处与压力水混合后喷出；后者由气力或混凝土泵输送混凝土混合物经喷嘴喷出。

WATER IN THE FORM OF A JET IS ONLY REQUIRED TO COMBAT A FIRE THAT CANNOT BE REACHED BY A SPRAY OR WHERE THE FORCE OF A JET IS NEEDED TO BREAK UP MATERIAL IN A DEEP SEATED FIRE SUCH AS MAY BE FOUND IN A HOLD FIRE.

水柱灭火只是用来灌救水雾灭火不能达到之火警，或是须要一支强的水柱去冲散位於深处的著火物体，例如货舱火警。

In operation, the downhole devices will be laid down with tubings which will move up and down using the operation machine. Since the injection head can rotate in the determined speed, the rotating flow, compared with the conventional stable axial flow, can prevent the sands from depositing in the horizontal annular and washing the screen. The jet from high-efficiency jet nozzle will wash the screen directly with concentrated hydro-power. The working fluid can be clean water, without damage to the formation.

作业时用油管下入该井下装置，利用作业机带动油管上下移动，由于喷头可按照既定速度旋转，返回流体在水平段由常规的平稳轴向流动变为旋转流动，既可实现对防砂管的全方位解堵，又能避免砂粒沉积；高效喷嘴产生的射流直接对着防砂管冲击，能量集中；工作介质为清水，不会对地层带来二次污染。

In operation, the downhole devices will be laid down with tubings which will move up and down using the operation machine. Since the injection head can rotate in the determined speed, the rotating flow, compared with the conventional stable axial flow, can prevent the sands from depositing in the horizontal annular and washing the screen. The jet form high-efficiency jet nozzle will wash the screen directly with concentrated hydro-power. The working fluid can be clean water, without damage to the formation.

作业时用油管下入该井下装置，利用作业机带动油管上下移动，由于喷头可按照既定速度旋转，返回流体在水平段由常规的平稳轴向流动变为旋转流动，既可实现对防砂管的全方位解堵，又能避免砂粒沉积；高效喷嘴产生的射流直接对着防砂管冲击，能量集中；工作介质为清水，不会对地层带来二次污染。

The water-bearing sand strata section from DK355+494 to DK355+517 of Xingwangmao tunnel has been successfully consolidated by horizontal jet grouting piles. The construction technology and construction method of consolidating sand strata by horizontal jet grouting piles are presented in the paper.

结合兴旺峁隧道改DK355+494～+517段含水砂层采用水平旋喷桩加固的成功实例，介绍水平旋喷桩加固砂层的施工工艺及方法；并对施工所需的人员、设备配制以及在施工过程中出现的&抢钻&、&断桩&与&短桩&的处理方法进行简单介绍。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。