It is believed that drilling failure is due to the high structural position of the drilled trap, strong denudation and poor oil and gas. preservation conditions.
研究认为钻探失利是所钻圈闭构造位置较高、剥蚀强烈、油气保存条件差所致。
The drilling head rotational speed can adjust, the drill hole efficiency is very high, the hole position is accurate, and it is suitable for the construction glass and the furniture glass processing.
钻头转速可调，钻孔效率高，孔位准确，适用于建筑玻璃与家具玻璃的加工。
The drilling head rotational speed can adjust, the drill hole efficiency is very high, the hole position is accurate, and it is suitable for the construction glass and the furniture glass processing.
钻头转速可调，钻孔效率高，孔位准确，适用于建筑玻璃与家具玻璃的加工。
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