Export pump with check valve, it will immediately turn off to prevent reverse flow back high-pressure water pump.
水泵出口装有逆止阀时，它会立即关闭，防止高压水反向流回水泵。
How I want to turn back the hands of time, flow back to the test that moment, I again carefully look at the math problem!
我多想让时光倒流，流回考试的那一瞬间，我再仔细的看一下那道数学题！
My whole life to drink the wine, the flow of tears, is not as you turn back bitter.
我这一生饮过的酒，流过的泪，都不及你一回头苦涩。
Turn off the power, a CNC spring machine, wait five minutes for the oil to flow back into the oil storage tank circulation.
关闭数控弹簧机电源，等待五分钟让循环机油流回储油槽。
Turn off the power, a CNC spring machine, wait five minutes for the oil to flow back into the oil storage tank circulation.
关闭数控弹簧机电源，等待五分钟让循环机油流回储油槽。
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