check valve body cap

valve 阀门专业词汇A-Z ... check-valve ball 止回阀球 check-valve body cap 止回阀体盖 check-valve body 单向阀壳体 ...

valve-... ... check-valve ball 阀阀 止回 球 check-valve body cap 阀阀 阀 止回 体盖 check-valve body 阀 阀阀 阀 向 壳体 ...