衛(wèi)生級(jí)對(duì)夾式蝶閥：技術(shù)規(guī)范設(shè)計(jì)依據(jù)GB標(biāo)準(zhǔn)ANSI標(biāo)準(zhǔn)設(shè)計(jì)標(biāo)準(zhǔn)GB/12237ANSIB16.34結(jié)構(gòu)長度對(duì)夾鏈接GB/12221ANSIB16.10連接法蘭尺寸GB/9113、JB/T79ANSIB16.5實(shí)驗(yàn)和檢驗(yàn)JB/T9092API598