draughthorse n.挽車馬；役馬draughthole n.通風孔draughtfurnace n.通風爐draughter n. 制圖機械；制圖者；設計員draughtengine n.排水機draughtboard n.西洋棋盤draughtallowance 拔模余量draught-tube n.導管draught-resistance 抗旱性draught-horse n.挽馬；役馬draught-hole n.通風孔draught-height 吸出高度draught-furnace n.通風爐draught-engine n.排水機draught-door 通風門draught regulator 抽力調(diào)節(jié)器；牽引力調(diào)節(jié)器；通風調(diào)節(jié)器draught horse draught flue [管理學]排氣煙道draught fan 通風風扇；引風機；通風機draught excluder strip 密封條