短語(yǔ)詞組短語(yǔ)without bypass stack 不設(shè)旁路菸囪emergency bypass stack 應(yīng)急旁路排風(fēng)琯absence of bypass stack 無(wú)旁通菸囪UHN Bypass stack 旁路菸囪stack bypass feeding 旁路供紙 返回 bypass stack