tru ed laddertrussed ladder构架: carcass; panel work; frame; ...梯: ladder; stairs; steps; stair ...构架梯结构件: tru block; truss block架梯: ladder架梯桥: bridge下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:构架梯,即可在微信中查询翻译