chrometn.铝硅合金
chromen.铬;铬黄;<计>谷歌浏览器vt.镀铬
chrome printing Bordeaux铬印染枣红
chrome area with poor Cr贫铬区
chrome-plating coating镀铬
chrome-plated solution镀铬溶液
chrome-plated iron tube镀铬铁管
chrome plated piston ring镀铬活塞环
chrome tanning wastewater铬鞣废水
chrome-molybdenum steel铬钼钢
chrome alumina refractory铬铝耐火材料
chrome free tanning agent无铬鞣剂