轻量化结构 structure weight: 结构重量in light weight: 重量轻light in weight: 重量轻light weight: 空载排水量; 轻的; 轻量化; 轻量级; 轻飘; 轻载重量; 轻质织物light structure: 轻结构下载手机词典可随时随地查词查翻译