The mechanism which can reverse by the rail of the wagon group is adopted, the rotation mechanism is cancelled, and no fragile control piece is realized in irradiationroom and other bad environment.
采用了车组靠轨道便能换向运行的机构，取消了回转机构，实现了辐照室及其它恶劣环境中无易损操纵件。
2
Before going to bed, turn off the light and put mosquito killer in the center of room and start it to make photo catalyst have a wider irradiation scope for better result.
在睡觉前先关好灯，将灭蚊器置于房间中心位置开启，使光触媒灯管照射到的地方更广，效果更加理想。
3
Chinese herb Hezi strip fumigation was applied to disinfect the air of all kinds of room in hospital. And it was compared with both ultraviolet irradiation and moxa-stick fumigation.