Leading screw guard 丝杆防护罩
Lead screw guard 丝杆防护
needle bar thread guard screw 针杆拦线板螺丝
guard screw 日历盖片螺钉
Hand guard screw 护木紧固螺钉
OFF-GUARD BLOCK SCREW 防掉板螺钉
guard against error screw 日历盖片螺钉
Screw Cat Troupe, Insensate Stone Troupe, Taichung Young Man Opera Shop, Army Honor Guard.
螺丝猫剧团、顽石剧团、东海青年歌剧坊、陆军仪队。
Objective:To evaluate the maxillary expansion effects of posterior crossbite patients treated with elastic wrapping bite guard and screw expansion mechanic in the mixed dentition.
目的：探讨弹性包绕式垫加螺旋扩弓器矫治替牙期后牙反的适用性及治疗前后的牙颌结构变化。
The hand guard helps with screw stabilization, houses a stud finder and a laser guide to project plum lines and assist with leveling.
护手可以帮助稳定螺丝，内置一个寻柱设备和一个激光辅助系统。 该激光辅助系统可以在墙上投射铅垂线，辅助水平垂直定位。
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