The most effective measures are enlarging the discharge of the "C" throttle unit and modifying the structure of the metering pin oil groove.
其中最有效的就是适当加大“C”节流器的流量和改变放油针油槽的结构设计。
When ready to start centrifugal pumps, fully open suction valves and throttle discharge valves of a positive displacement.
当准备好启动离心式泵时，吸入阀全开，容积式排出阀节流。
When ready to start centrifugal pumps, fully open suction valves and throttle discharge valves of a positive displacement.
当准备好启动离心式泵时，吸入阀全开，容积式排出阀节流。
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