2026-04-13 16:04 浏览次数 20
锁紧螺栓;防松螺栓
The locking bolt is provided with an outer thread mating with the expansion pipe at the peripheral surface and has a groove at one end.
一锁定螺栓,其周面上具有与膨胀管相匹配的外螺纹,并在其一端设有凹槽。