短語(yǔ)詞組短語(yǔ)loose face material 松散料loose powder material 松散粉末材料loose waterproof material 分散性防水材料loose fill material 松散填充材料granular loose fill material 顆粒狀松散填充材料loose radioactive material 松散放射性物質(zhì)coefficient of loose paving material 松鋪系數(shù)loose material washing equipment 散纖維洗滌設(shè)備loose material landslide 松散滑坡 返回 loose material