multiple beam girder复式: compound; multiple; double梁: beam板材式梁: sheet spar步进式梁: walking beam; walkingbeam撑架式梁: structure framed beam; strut-framed beam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:复式梁，即可在微信中查询翻译
