亚洲日韩国产一区二区三区,国产精品国产三级国产av品爱网,爱爱动态免费视频,欧美激情极品一区二区

聯(lián)系我們

Active disk

Tus qauv siv hluav taws xob patent naj npawb: ZL201720537626.5

Nws yog precision machined los ntawm 45 # steel, nrog tungsten carbide surfacing ntawm lub nplhaib sab nrauv los tiv thaiv lub voj voog sab nrauv ntawm kev tsav tsheb los ntawm kev hnav, yog li tiv thaiv cov bolts fastening, ua kom muaj kev nyab xeeb thiab txhim khu kev qha; kom yooj yim disassembly thiab sib dhos. (Dynamic ntsuas, tshuav tus nqi ≤5g)