短語詞組短語bulk ecific weight 容重bulk specifi weight 粒狀物堆積比重bulk unit weight 統(tǒng)體單位重;[統(tǒng)計]單位毛重;容積單位重bulk specific weight 散裝比重;翻譯;粒狀物堆積比重wastage in bulk or weight 體積或重量總損耗envelope -bulk to weight ratio 體積重量比standard bulk weight 標準干容重specific bulk weight 單位體積密度bulk weight of mortar 毛重 返回 bulk weight