漂亮女医生一级毛片,永久久久久久,国产另类视频,亚洲毛片区,国产精品影音先锋,水野优香一区二区亚洲,在线观看亚洲视频

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

Electronic single-fiber strength tester

Electronic single-fiber strength tester
Electronic single-fiber strength tester
Detailed instructions:

Summarize

Used for testing indexes of single fiber, such as breaking tenacity elongation at break, load at specified elongation, elongation at specified load, creep, etc.

Standards

image