基本解释普羅夫同根派生 Proff相关词英汉例句THE EFFECT OF FLY ASH ON THE HEAT PROFF MATERIAL USED IN THE DEEP MINE LANEWAY 粉煤灰對深井煤鑛巷道隔熱材料性能的影響explosion - proff 隔爆型Proff更多例句