closure flange 中文意思是什麼
closure flange
解釋
封閉凸緣-
Packaging - steel drums - inserted flange - type closure systems
包裝.鋼筒.插入法蘭型密封系統 -
Inserted flange type closure systems for steel drums with a total capacity of 17 l to 230 l
總容量為17升至230升的鋼桶用插入法蘭式密封系統
分享友人