Some editorial changes have been made as the update of the reference to 2 European directives that have been changed (new LVD directive - 2006/95/EC and new EMC directive - 2004/108/CE).

• 由于更新所引用的2个已经修订的欧盟指令（新的低压电器（LVD）指令- 2006/95/EC和新的电磁兼容指令（EMC） 2004/108/CE），做出一些编辑上的修订。