The pump ___ water from the well. A. lifts B. raises C. pumps D. hoists 相关知识点: 试题来源: 解析 C。“pumps”就是抽水的意思,水泵从井里抽水用“pumps”最准确。“lifts”和“raises”通常指举起;“hoists”特指用起重机等提升。反馈 收藏...
The pump apparatus for increasing water pressure of the present invention comprises: an electric pump having a cold water input port receiving low-pressure cold water and a cold water output port outputting high-pressure cold water; a cold water output pipe connected to the cold water output ...
pump (熟义:n.水泵) Hepumpedwater from a well to water his garden.___ Ⅴ.用括号中动词的适当形式填空相关知识点: 试题来源: 解析 vt.抽(水) 反馈 收藏
aAn internal pump boosts the pressure to 10-20 bar causing a portion of the pre-treated water to be forced through the membranes. Removing greater than 99% of all microorganisms, pyrogens, particles, colloids, and organics greater than 200 molecular weight as well as over 97% of all dissolve...
Over the ages, a lot of human activity has been concerned about getting water from where we find it to where we want it. If you want to move water to a lower elevation, there’s no problem. But if you want to move water up, you need a pump. The ancients used what we call Archi...
百度试题 结果1 题目 A fountain uses a pump to raise 3000 litres of water through 4 metres every minute and expels it at a speed of 8 m s-'Find the power of the pump. 相关知识点: 试题来源: 解析 3560 W 反馈 收藏
英语翻译A water pump can pump out 5.5立方米 of water from a tank every minute.There are 120立方米 of water in the tank at the beginning.Taking increases in volume of water as positive number,use a directed number to represent the change in
A centrifugal pump may fail to deliver water when first started if the___. A. water seal pipe is plugged B. pump is not primed C. seal ring is improperly located D. impeller is flooded 相关知识点: 试题来源: 解析 B. pump is not primed 反馈...
aHowmanglettersarethereinEnglish HowmanglettersarethereinEnglish[translate] a你是肥婆 正在翻译,请等待...[translate] aExit chute 退出斜槽[translate] aThe effect of water depth on the differential pressure across the pump in the event of a 水深度的作用在压差横跨泵浦在a情形下[translate]...
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