为了防止泵的损坏，必须在泵的排出管到吸入管之间安装安全阀。
In order to prevent damage to the pump must pump discharge pipe into the suction pipe installed between the safety valve.
潜水泵的工作原理：潜水泵开泵前，吸入管和泵内必须充满液体。
The working principle of submersible pumps: submersible pump pump before opening, suction pipes and pumps must be filled with liquid.
为了在泵内存水，吸入管进口需要装底阀，泵工作时，底阀造成很大的水力损失。
In order to water pump suction pipe, memory, import needs bottom valve pump working, bottom valve caused great losses.
泵轴承有足够的刚度，可以保证泵平衡运行，如果在深井中运行，可以加置一条吸入管（合同中注明）。
Pump bearings have sufficient stiffness to ensure a balanced operation of pump, if running in the deep well, we can get more of a Inhalation tube (indicated in the contract).
泵轴承有足够的刚度，可以保证泵平衡运行，如果在深井中运行，可以加置一条吸入管（合同中注明）。
Pump bearings have sufficient stiffness to ensure a balanced operation of pump, if running in the deep well, we can get more of a Inhalation tube (indicated in the contract).
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