日韩免费av,夜夜爱夜夜操,草草草在线视频,av色综合网站,日本少妇精品亚洲,日本午夜无人区毛片私人影院,久久伊人艹

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

digital thickness gauge

digital thickness gauge
digital thickness gauge
Detailed instructions：

Summarize

Test the thickness and homogeneity of fabrics，leather，plastics, carpets, papers and the Ifke.

Technical parameter

image