Lus piav qhia luv luv:
Sib Nqus Laum: Sib nqus laum tseem hu ua Magnetic broach laum lossis Sib nqus laum xovxwm.Nws txoj kev ua tau zoo yog lub hauv paus sib nqus nplaum rau saum npoo ntawm cov hlau ua haujlwm.Tom qab ntawd nias qhov ua hauj lwm kov downwards thiab laum los ntawm cov kab hnyav tshaj plaws thiab cov hlau plating.Cov hlau nplaum nplaum nplaum hluav taws xob tswj los ntawm hluav taws xob coil uas Electromagnetic.Siv annular cutters, cov drills tuaj yeem ...