99re66热这里只有精品8,亚洲一区精品在线,人人插人人玩,天天干天天摸天天操,99久久免费视频在线观看,国产福利在线视频观看,国产末成年女一区二区稀缺资源

Welcome toChangzhou Tianrong Testing Technology Co., Ltd! Home |  Contact

Comb-type wool length analyzer

Comb-type wool length analyzer
Comb-type wool length analyzer
Detailed instructions:

Summarize

It is used to test the wool fiber length of single wool.

Standards :GB6501-65, ISO920,FJ533

Technical parameter

image