| 释义 |
1 ?泵杆 ... 多孔环 pulverising ring 泵杆 pump lever 冲床,冲孔机 punching machine ...
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Note: On pump discharge, the preferred check valves are an in-line spring loaded, swing design with lever and weight or lever and spring. 注意：在泵排泄口，首选的止回阀是管内弹簧负载，带杠杆和压铁或杠杆和弹簧的旋启式止回阀。 - 2
Note: on pump discharge, the preferred check valves are an in - line spring loaded, swing design with lever and weight or lever and spring. 注意：在泵的排泄口处，首选的止回阀是管内弹簧负载，旋启式，配置杠杆和重量或杠杆和弹簧。 - 3
NOTE: On pump discharge, the preferred check valves are an in-line spring loaded, swing design with lever and weight or lever and spring. 注意：在泵的排泄口处，首选的止回阀是管内弹簧负载，旋启式，配置杠杆和重量或杠杆和弹簧。
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