bellows sealed gate valve的意思|示意
波纹管密封闸门阀
bellows sealed gate valve的网络常见释义
波纹管密封闸门阀 ... Hardware Sealed Off Valve 硬密封蝶阀 bellows sealed gate valve 波纹管密封闸门阀 ; 波纹管密封的闸板阀 water sealed safety valve 水封式安全阀 ...
波纹管密封的闸板阀 ... Hardware Sealed Off Valve 硬密封蝶阀 bellows sealed gate valve 波纹管密封闸门阀 ; 波纹管密封的闸板阀 water sealed safety valve 水封式安全阀 ...
bellows sealed gate valve相关短语
1、 bellows s sealed gate valve 波纹管密封闸门阀 ; 波纹管密封的闸板阀