describe not fa

P1: 4c

P2: 5c

P3: 6b+

P4: 6a+

P5: 6a+

P6: 6c+

P7: 4c

Picture's Copyright: Petzl,CMDI

* 图片版权归线路图设计者等原创人员!

* 请大家支持、购买纸质路书!