aggregate usable floor space总: assemble; gather; put togeth ...实用: practical; pragmatic; functi ...楼面: floor空间: space; enclosure; room; blan ...实用楼面空间: usable floor space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:总实用楼面空间，即可在微信中查询翻译
