真空水泵，是指具备一进一出的抽气(水)嘴、排气嘴(水)各一个，并且在进口处能够持续形成真空或负压；排气嘴处形成微正压；工作介质可以为气体，也可为液体，体积小巧的一种仪器，常被称为“微型真空水泵”，也简称为“真空水泵”。
水环真空泵 water ring vaccum pump ; liquid ring pump ; bec
水银真空泵 mercury vacuum pump ; mercury pump ; mercury vapor diffusion pump ; pump mercury vacuum
循环水真空泵 Water Circulating Multi-purpose Vacuum Pump ; circulating water vacuum pump
水环真空泵联轴器 water ring vaccum pump coupling
进水真空泵 entrata acqua pompa vuoto
取水真空泵 entrata acqua pompa vuoto
低温冷却循环水真空泵 DLSZ
循环水式真空泵 SHZ
真空水下的泥泵 vacuum submerged dredge pump
水泵并不是实际的吸：更确切的说，水泵产生非完全的真空，然后大气压力将水通过吸管推进水泵中。
Pumps do not actually suck ; rather , pumps create a partial vacuum into which atmospheric pressure pushes water via the suction pipework.
洒水车水泵泵壳出现裂纹、或者叶轮、倒叶损坏、或者水封破损，都会影响真空度，出现水抽不上来，或者水压过小的现象。
Sprinkler pump shell cracks, or impeller, leaf damage, or seal damage, will affect the degree of vacuum, water pumping, water pressure is too small or the phenomenon.
艾尔·加扎利被认为是现代工程之父，这名阿拉伯学者发明了编程机器人和50件其他机械器件，例如连接真空管的水曲柄和水泵。
Considered the father of modern engineering this Arab scholar invented a programmable humanoid automaton and50other mechanical gadgets such as water cranks and pumps with suction pipes.
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