M1911 gunsmithing_myflydream... ... 9.Slide-To-Frame Fit 套筒配合 10.Checkering刻纹 11.Compensators 膛口补偿装 …
例句
1·When I reached the top floor I must admit that my anxiety was growing and the sweat from my palms was beginning to coat the checkering on the grips of the gun.