closing emergency valve的意思|示意
紧急关闭阀
closing emergency valve的网络常见释义
应急速闭阀 ... quick-action valve spring 速动阀簧 quick-closing emergency valve 应急速闭阀 quick-closing stop valve 速闭截止阀 ...
closing emergency valve相关短语
1、 quick closing emergency valve 应急速闭阀
2、 quick-closing emergency valve 应急快闭阀 ; 应急速闭阀
3、 emergency closing valve 应急阀 ; 应急阀英语