The safety valve of the pump failed to work.
泵的安全阀失灵了。
The scupper pump failed in the afternoon.
斯库珀水泵下午坏了。
So gear pump can be avoided failed for a long time with necessary measures.
可以帮助使用者采取针对性措施避免外啮合齿轮泵过早失效；
So gear pump can be avoided failed for a long time with necessary measures.
可以帮助使用者采取针对性措施避免外啮合齿轮泵过早失效；
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