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。
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。
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。
NOTE: On pump discharge, the preferred check valves are an in-line spring loaded, swing design with lever and weight or lever and spring.
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