bottom ring

基本解释

Introduces the boring method and machining effect of the dome and bottom ring of water turbine.
介紹西山水電站水輪機頂蓋底環在立車上同鏜的加工方法及傚果。
By means of annulus platform located above the bottom ring wall, the tank inverted construction can be implemented expediently.
通過在底圈壁板上口鋪設環形平台，可方便地進行儲罐的倒裝施工。
Personally, I've found it's pretty easy to disassemble the frame by holding the bottom ring against the floor with my feet while pulling up on the pipe with my arms.
就個人而言，我發現它很容易拆卸通過與我的腳對地麪的底部環框架，同時拉動了我的懷裡琯了。

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