ball-check valve中文是什么意思

ball n. 跳舞会；〔俚语〕狂欢会。 give a ball ...
check valve 【机械工程】止回阀，单向活门。
ball check; ball valve 球阀
ball check valve 落球式止回阀; 球式单向阀; 球形单向阀; 球形单向活门; 球形截止阀; 球形节流阀; 球形止回阀; 球形止逆阀; 圆球止回阀; 止回球阀
ball-type check valve 球型止逆阀
check valve ball 止回阀球
check valve ball seat 止回阀球座
check valve ball spring 止回阀球弹簧
check-valve ball 止回阀球
check-valve ball seat 止回阀球座
check-valve ball spring 止回阀球弹簧
dual ball check valve 双球止逆阀
pump check valve ball 止回阀球
spring ball check valve 弹簧球式止回阀
ball check 球阀; 球形单向阀; 球形单向活门; 球形阀门
check ball 回止球; 开球前先将球传给防守者，待球传回再开球; 止回球; 制逆球
ball valve (浮)球阀，球闸门，漂子门。
valve ball 阀球; 球型阀
ball alve，ball valve 球阀
globe valve(or ball valve) 球阀
ball check nozzle 球形止回喷嘴
dinging ball check 钢球敲击检查
discharge check ball 出口止回球
intake check ball 进口止回球
pump check ball 泵的闭锁球

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Last modified time:Sun, 10 Aug 2025 00:29:56 GMT