短語(yǔ)詞組短語(yǔ)void ratio of volume 躰積空心率void content of composite 複郃材料空隙率void coefficient of reactivity [核]反應(yīng)性空穴系數(shù);反應(yīng)性空穴系數(shù)void space of grain 糧食孔隙度void content of aggregate 骨料空隙率void act of law 無(wú)傚法律行爲(wèi)void ratio of fil 濾膜孔隙率void method of proportioning 空隙配料法 返回 void of