基本解釋n.科斯托夫同根派生 Costoff相關詞英漢例句Letterpress emphases expatiate what make of calcium carbide production solid costoff produce oil well cement craftwork precept and notice question. 重點闡述了如何利用電石及其深加工產品固體廢棄物生產油井水泥的工藝方案及注意問題。Costoff更多例句