短語(yǔ)詞組短語(yǔ)without bypass stack 不設(shè)旁路煙囪emergency bypass stack 應(yīng)急旁路排風(fēng)管absence of bypass stack 無(wú)旁通煙囪UHN Bypass stack 旁路煙囪stack bypass feeding 旁路供紙 返回 bypass stack