A gadget called the Jetlev can lift a person 30 feet high by pumping water from a backpack through a hose connected to a small, unmanned boat.
一个叫“水箭背包”的小玩意可能通过从双肩背包里抽水将人举到30英尺高,双肩背包通过一条软管连着一艘无人操控的小船。
Rod pumping is a main artificial lift oil production method in petroleum industry.
有杆泵采油是石油工业传统而占主导地位的人工举升采油方式。
The water flow velocity in the suction pipe, which is crucial for evaluating the performance on pumping fish, can be measured by the pumped water flow rate of the riser in an air lift pump system.
气力提升泵的水输送量反映了提升管进口的流速情况,而进口流速是衡量吸鱼效果的重要因素。
Under low to medium load levels, the valves are set for low lift and early closure to reduce pumping losses and improve fuel economy.
低中负荷水平下,阀门设置较低的升力系数和早期关闭泵损失减少,提高燃油经济性。
In hilly areas, water pumping irrigation lift is high, and the irrigation water fee is high because of the high pumping cost, so the burdens on farmers are very heavy.
丘陵地区提水灌溉需要的扬程高,水费占灌溉成本的比重大,农民的负担很重。
The gas-lift pumping plant is the power source, the gas volume has a direct effect on the scale of gas lift and the selection of power motor will directly affect the cost of gas-lift system.
压缩机组作为气举采油的动力源,其气量直接影响气举采油的规模,而动力机的选择也将直接影响整个气举系统的经济效益;
Many of the large pumping stations built and to-be-built in China are low-lift pumping stations.
我国已建及计划待建的大型泵站工程多为低扬程泵站。
On this basis, the difference between the limited lift by vacuum pumping and the effective depth of vacuum preloading is analyzed and the reason of the latter may greater than the former is analyzed.
在此基础上,比较了真空提水的极限深度和真空预压有效加固深度的不同,分析了真空预压有效加固深度大于真空提水极限深度的原因。
On the basis of the comparison with long-distance high-lift pumping project, the paper pointed out the methods and measures of Yellow River in regular water -...
本文通过与高扬程远距离提灌工程比较,提出了解决黄土高原沿黄地区中小型提灌工程常规节水的办法和措施。
It has achieved a satisfactory result through practical calculation to high-lift pumping areas I...
针对皋兰县高扬程灌区进行实际运算,获得了满意的结果。
It has achieved a satisfactory result through practical calculation to high-lift pumping areas I...
针对皋兰县高扬程灌区进行实际运算,获得了满意的结果。
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