... governor solenoid valve 调速器螺管阀 graduating valve 调节阀;节制阀; 阶段制动阀 greaseless valve 无脂密封阀 ...
基于252个网页-相关网页
... governor solenoid valve 调速器螺管阀 graduating valve 调节阀;节制阀; 阶段制动阀 greaseless valve 无脂密封阀 ...
基于52个网页-相关网页
graduating valve spring [铁路] [机] 节制阀弹簧 ; 递开阀簧
equalizing graduating valve 均衡递动阀 ; 均衡递开阀
emergency graduating valve 紧急递开发
graduating valve ring 节制阀弹簧
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