In fact, that's why the menu cascade is prefixed with "soln," so you can tell it's an extension.
事实上，那就是菜单级联使用“soln”前缀的原因-这样您就可以分辨出它是一个扩展！
2
Composition of chromate treatment soln., technological condition and effects and control of other major factors are discussed.
研究了铬酸盐处理液组成、工艺条件和其它主要因素的影响和控制。
3
Based on application of theories of complexing and precipitation equilibriums and study of etching process using acidic copper chloride etching soln. , a new method of recovering Cu in etching soln.