... 环的闭合 ring closure 闭合环 closed ring ; free ring ; closure ring 水准闭合环 level circuit ...
基于12个网页-相关网页
ring closure 闭环
closure of arch ring 拱圈封顶
ring closure technique 环口关闭术 ; 内环口关闭术
metal oval-ring closure 金属椭圆环密封
O-ring closure 空心金属O型环密封
Pschorr ring closure 浦肖环合成法
Multiple Ring Closure 形成多环终结
应用推荐