... quick closing controlling gear for sliding door 水密门速闭装置 quick closing door 速闭门 quick closing emergency valve 应急速闭阀 ...
基于38个网页-相关网页
短语
快速闭门
QPK
气密速闭门
air-tight quick-acting door
快速关闭门
quick acting door
快速关闭阀门
rapid-closure damper
快速关闭主汽门
combined stop and emergency valve
;
combined stop and emergency plant
·2,447,543篇论文数据，部分数据来源于NoteExpress