6. 防水功能的维护.............................................................. 25
取下 O- 环 ............................................................................25
清除沙粒、灰尘等 ................................................................25
如何使用 O- 环软膏 ..............................................................27
安装 O- 环 ............................................................................28
更换消耗性零件....................................................................28
7. 附录................................................................................ 29
规格......................................................................................29
Cs
CS 7