expansion crosstie横梁: crossbeam; cross member; cro ...宽板横梁: strength beam; we eam; web beam轻甲板横梁: spar deck beam主甲板横梁: main deck beam地板横梁盖板: floor beam cover plate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:腰板横梁,即可在微信中查询翻译