fixed ash内在灰分,固定灰分fixedadj.固定的；不变的；确定的动词fix的过去式和过去分词.fixed sleeving固定套管fixed expenses不变费用fixed sampling立方体固定采样fixed universe固定全域fixed overflow定点溢出fixed receiver接收机固定fixed sprocket死飞轮fixed inductor固定感应线圈fixed nicotine固定烟碱fixed estropia固定性内斜视

1. Properties of chromating film were improved greatly.
   钝化膜的性能得到了改善。
2. The purpose of the study was to improve the decorative effect of phosphating film.
   为提高磷化膜的装饰效果，开发出一种常温铁系彩色磷化工艺。