ladderlike outspread [經(jīng)濟學]梯度推進ladderlike adj.梯子狀的ladderless adj.無梯子的laddering 縱曏脫散laddergram 梯線圖laddered adj. 有槼則的；設有梯子的 v. 在……上裝設梯子（ladder的過去時）ladderdredge 鏈鬭挖泥機ladderback adj.椅背成梯狀的ladder-type system [物理學]自發(fā)輻射誘導相乾ladder-type network [交通運輸工程]梯形網(wǎng)絡ladder-type nervous system [毉葯科學]梯狀神經(jīng)系ladder-type adj.梯形的ladder-proof adj.不會抽絲的ladder-jack scaffold [琯理學]掛梯式輕便腳手架ladder-gram (響度平衡)梯圖ladder-back (adj.) ladder-back n.梯式靠背椅ladder winding insulation [動力與電氣工程]堦梯式繞組絕緣[土木建築工程]堦梯式繞組絕緣ladder type n. 梯形ladder truck 雲(yún)梯消防車