bag-valve-mask bag-type dust remover 布袋除塵器bag-type collector 袋式除塵器；袋式集塵器bag-type 袋式bag-tanning n.袋鞣法bag-sleeve 寬袖bag-set [化學]包內(nèi)結(jié)塊bag-removing 摘袋bag-play 奉承bag-mask system [醫(yī)藥科學]面罩系統(tǒng)bag-making 制袋機bag-in-box 盒中袋bag-hose 布袋除塵器bag-filter 袋式除塵器bag-end (n.) bag-cleaning device [土木建筑工程]袋裝粉塵凈化裝置bag weighing machine [經(jīng)濟學]稱袋機bag type collection system [土木建筑工程]袋式集塵裝置bag type cloth filter [經(jīng)濟學]袋式濾布器bag type blowout preventer [能源科學技術(shù)]筒式防噴器