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?8439.What safety device is usually located between the driving unit and hydraulic pump drive shaft?

发布于 2021-02-18 22:10:02

【单选题】
A ?Thermal relief valve.
B Pump motor safety switch.
C Pump drive coupling shear section.

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芒果慕斯 2023-02-18

每件事情都必须有一个期限，否则，大多数人都会有多少时间就花掉多少时间。

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