floor
【建筑】地板砖（拱腹砖，衬块）
floor block (soffit block, filler block)
暂无补充释义。
floor block (soffit block, filler block)
暂无补充释义。
floor
background noise【电子】;noise background【电子】;noise floor【电子】
floor effect
stone floor
floor
ground floor
precast beam floor
chondrocranial floor