caprolactam造句

1、Raw materials of synthetic fibre: phthalic acid acrylonitrile caprolactam nylon66salt etc.
合成纤维原料：精对苯二甲酸、 * 、己内酰胺、尼龙66盐等。

2、Three purification processes in producing caprolactam with toluene are introduced.
对甲苯法制备己内酰胺精制工艺方法进行了改进。

3、The control system of caprolactam polymerization and nylon 6 spinning are introduced respectively.
对锦纶长丝聚合纺丝部分的自控系统进行了简要的介绍。