... closure head 外壳顶盖 ; 封头顶盖 ; 顶盖 ring closure 闭环作用 ; 环化 ; 环的闭合 partial closure 局部封闭 ...
基于52个网页-相关网页
vessel closure head support skirt 压力容器封头支承裙筒
closure head penetration 封头贯穿件
top vessel closure head 顶容器密合
closure head lift 顶盖吊具
closure head assembly 封头组合体
closure head insulation 顶盖保温层
Splice closure welding head 拼接封头的焊封
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