jlzzjlzz教师在线播放,日日噜噜夜夜狠狠久久av,一起草吃瓜黑料,欧美精品亚洲精品日韩专区一

Product features:

Adjustable elastic clamping mode, till rigid clamping, easy loading and unloading, clamping firm;

V-shaped polytetrafluoroethylene chuck protective lens;

V-shaped chuck can rotate 360°, with v-shaped base, can hold lens or cylinder of different thickness.

產(chǎn)品實(shí)拍