詞語:chromium-copper
chromium-copper的意思
chromium-copper 鉻銅;chromium-copper wire 鉻銅線,鉻銅合金線;
chromium-copper的參考例句
1.Determination of impurity oxygen and nitrogen in copper-chromium, copper-molybdenum and copper-wolfram alloys; 研究了銅鉻、銅鎢、銅鉬合金中雜質氧和氮的測定方法。
2.The determination of impurity oxygen and nitrogen in copper-chromium, copper molybdenum and copper-wolfram alloys is studied. 研究了銅鉻、銅鎢、銅鉬合金中雜質氧和氮的測定方法。
3.the research &development progress of new type of foreign metal catalysts was described for zinc-chromium catalyst, copper base catalyst and alloy catalyst etc. 從性能參數、測定數據、制備方法等方面闡述了鋅鉻催化劑、銅基催化劑、合金催化劑等國外新型金屬催化劑的研究進展。