(tseem hu ua: pem hauv ntej thiab nram qab alloy chamfering cuab yeej, pem hauv ntej thiab nram qab tungsten steel chamfering cuab yeej).Lub kaum sab xis cutter: lub ntsiab 45 degrees, 60 degrees, theem nrab 5 degrees, 10 degrees, 15 degrees, 20 degrees, 25 degrees (tuaj yeem kho raws li cov neeg xav tau ...
Nyeem ntxiv