For models with a screw-in crown, please push and screw the crown in as far as the stop.
对于一个螺旋式表冠，请尽量推动和停止螺旋型中的皇冠。
For models with a screw-in crown, please unscrew it before any manipulation, and screw it in again after use.
对于一个螺旋式表冠，请松开它之前的任何操作模式，螺钉后再次使用它。
In normal use, non spiral crown should push the crown back to the original position, the crown screw thread to prevent water infiltration.
正常使用中，非螺旋式表冠应将表冠按回原始位置，螺纹表冠应旋紧以防止水渗入。
Just a few spare parts shall be replaced by the user. In addition, the machine shall also seal aluminum security plug, three screw cap and crown cap.
用户只需更换极少零部件，还可实现对铝质防盗盖、三旋盖、皇冠盖的封口。
Objective to study the effect of using screw mental post and cast post in post crown restoring respectively and bring into com parison.
目的观察并比较成品金属螺纹桩和铸造金属桩在桩冠修复中的临床效果。
Objective to study the effect of using screw mental post and cast post in post crown restoring respectively and bring into com parison.
目的观察并比较成品金属螺纹桩和铸造金属桩在桩冠修复中的临床效果。
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