eccentric butterfly valve的意思|示意

偏心阀板蝶阀 ...棉织物的橡胶 elastomer with asbestos fabric insertion 偏心阀板蝶阀 offset disc burerfly valve; eccentric butterfly valve 阀芯(包括密封圈、杆等内件) trim ..

偏疼阀板蝶阀 ... 凸耳式lug type 偏疼阀板蝶阀offset disc burerfly valve；eccentric butterfly valve 斜阀盘蝶阀canted disc butterfly valve ...

偏心碟阀 家用油烟机密闭机构设计及电器控制_自动化毕业论文_毕业论文天下网 关键词 主动式；偏心碟阀；水平结构；管路密闭 [gap=902]Keywords active；eccentric butterfly valve；aclinic configuration；pipe closing

外环 ... 内环 inner ring 外环; eccentric butterfly valve 斜阀盘蝶阀 canted disc butterfly valve ...