self-closing stop valve的意思|示意
美 / /
英 / /
自闭阀
self-closing stop valve的网络常见释义
自关阀 ... 自关闭 self-closing 自关阀 self-closing stop valve 自关式 self-closing ...
self-closing stop valve相关短语
1、 self closing stop valve 自闭阀