往复泵启动前必须将排出管路中的阀门打开。
Reciprocating pump discharge pipe must be before the start of the valve to open.
启动前应全开吸入和排出管路中的阀门，严禁闭阀启动。
Should be fully open before the start of suction and discharge pipe valves, non-closing valve started.
启动前应全开吸入和排出管路中的阀门，严禁闭阀启动。
Should be fully open before the start of the suction and discharge pipe valves, non-closing valve to start.
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