久草性视频,日本精品1区2区,亚洲毛片一区二区三区,a级特黄视频,1区2区视频,久草在线新首页,日韩在线观看免费

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

Technical parameter

Technical parameter
Technical parameter
Detailed instructions:

Summarize

This instrument is used to quickly test yarn density of various yarns, it is composed of USA OHAUS electronic balance and host unit, and can print the report in various forms, such as Tex, Nm, Ne, AV, CV%, U%, Max, Min, W%, P% and other parameters. 

Technical parameter

image