Dichloroethane can be converted to VCM.

二氯乙烷被转化为氯乙烯.

PVC production with import vinyl, VCM, EDC is discussed.

对进口乙烯 、 VCM 、 EDC生产PVC的方法进行了讨论.

Currently, Micro-Auto Focus system has three main solutions- Stepping Motor, VCM and Piezo .

现今微型化自动对焦系统有三大主要解决方案-步进马达，音圈马达及压电材料。

The VCM content determination by turbidimetry on abnormal conditions (such as examination reparation in power cut and etc.

叙述了在停电检修等异常情况时，用比浊法测氯乙烯的方法，并且对该方法的可行性进行了探讨。

Furthermore, the parameters of affecting VCM settling time are analyzed, and the optimal design of the access time and power loss is discussed.

此外，从理论上对影响音圈电机定道时间的参数进行了分析，并对音圈电机的定位时间和功耗进行了优化讨论。

Nowadays, there are mainly three ways of producing VCM, that is ethylene oxychlorination, acetylene oxychlorination and ethane oxychlorination.

目前，生产氯乙烯的方法主要有乙炔法、乙烯法及乙烷氧氯化法。