我找到两个装有色指甲油的瓶子，其中一个里面只有几滴鲜红色液体，实际上那是红墨水。
I found two bottles of colored nail varnish. One contained only a few drops of a bright red liquid, which was in fact red ink.
这些项目涉及油、气方面，以及黑色金属、有色金属和稀有金属方面。
These projects cover oil, gas and ferrous metals, non-ferrous metals and rare metals.
本发明实现了对轧制油连续变流量调节，有利于提高轧机冷却控制水平，满足有色金属加工之要求。
The invention realizes the continuous adjustment for variable flow of rolling oil so as to improve the control level for cooling of rolling mill and satisfy the machining demand for nonferrous metal.
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