短語詞組短語balanced -draft control 負(fù)壓調(diào)節(jié);引風(fēng)調(diào)節(jié)balanced healthy draft 均衡通風(fēng)balanced draft boiler 平衡通風(fēng)鍋爐balanced draft furnace 具有引風(fēng)及鼓風(fēng)的平衡通風(fēng)爐膛balanced draft sampling 平衡吸氣取樣balanced draft system 平衡通風(fēng)系統(tǒng)draft balanced 均衡通氣 返回 balanced draft