久久人人97超碰精品_最近最新中文字幕_久久五月丁香合缴情网_久久中文骚妇内射 亚洲性网,精品欧美成人高清视频在线观看,国内精品免费久久影院,国产区综合

YN-63Ⅰ series shock resistant pressure gauge

The shock-resistant pressure gauge is a mechanical pointer pressure gauge with filling fluid in the case, or a mechanical pointer (or rotary dial) pressure gauge with filling fluid and damper in the case, the utility model is composed of a pressure guiding system (including a joint, a spring tube, a current limiting screw, etc.) , a gear transmission mechanism, a number indicating device (a pointer and a dial) and a shell (including a watch case, a watch cover, a watch glass, etc.) .

Product Details

image.png

Connect With Us

All Rights Reserved ? Zhoushan Qingfeng Railway Instrument Co., Ltd. 0

浙ICP備17060763號

Sitemap xml

本站總訪問量