Time：
2017
-
06
-
09
Inrecent years, with the wide application of computer technology, photoelectric technology, digital technology, microprocessor technology,image display technology, automation technology and intelligent technology, mechanical measurement has made a new leap. A large number of measurement standard devices with wide range and high accuracy have been established at home and abroad, involving mechanical quantities such as quality, vibration, pressure, force value and flow, and are widely used in indu...