... 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
This paper gives the definition of P-hereditary ring and discusses the necessary and sufficient condition about the submodule closure of cyclic module.
本文给出p—遗传环的定义及循环模的子模闭的充要条件。
Initially, the approach involved a simple ring closure, but this technique failed because the deeper aponeurotic tissues could not be approximated without tension in the repair.
最初是用一种单环闭合，但因深层腱膜组织在修补中不能无张力拉拢而失败。
Metal cock ring soft seat surface pressure to the bearing surfaces, such as the valve core and valve seat is concentric ring surface can be a double tight closure.
金属旋塞表面压向阀座环软支座表面，如阀芯和阀座环表面是同心的，就能得到双重严密的关闭。
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