奇米777四色成人影视-美女裸体十八禁免费网站-日韩成人一区二区三区在线观看-日本日本乱码伦视频在线观看

MFL-104 sucker rod magnetic flux leakage testing machine
Product introduction
Cracks, eccentric wear and corrosion pits of Φ16mm~46mm sucker rods were detected. DC demagnetization and AC demagnetization were used to automatically detect, alarm, mark and alarm.

欄目 產(chǎn)品 電話