I ask Mawu to drill a hole on the iron with his sharp teeth, make a clear break of semicircle and raise the cover of the can.
我便教玛乌，先用尖牙扎穿铁皮，然后顺势划出一个半圆，这样就能将盒盖掀起了。
Patients were generally anxious about dental drill, sharp doctors, injector, doctor s attitude and previous dental consulting environment. Conclusion: Only by considering all the factors rel...
患者对牙钻、检查用的尖锐器械、注射器、牙医态度、就诊环境等均有不同程度的焦虑。
A clamping center Angle and the sharp Angle center of the clamped drill are positioned on the same shaft center, and the gauges are provided with indication graduations.
其实质是该磨钻头活动卡规是由主卡规和副卡规构成，卡心角与被卡钻头的锋角心位于同一条轴心上并在其卡规上设有指示刻度。
A clamping center Angle and the sharp Angle center of the clamped drill are positioned on the same shaft center, and the gauges are provided with indication graduations.
其实质是该磨钻头活动卡规是由主卡规和副卡规构成，卡心角与被卡钻头的锋角心位于同一条轴心上并在其卡规上设有指示刻度。
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