短語詞組短語floor system load rating 掛車或集裝箱地板結(jié)搆的載貨定額floor active load 樓麪活荷載floor r load 樓麪荷載floor live load 樓麪;樓麪活載;屋麪活荷載;樓裡活載floor arch load 地板荷載Floor Panel Load Test 樓板荷重測試cold storage floor load 冷庫樓層負荷floor r live load 樓麪活載floor load limit 底板載荷限定 返回 floor load