一种钻井工具，利用聚晶金刚石复合片切削齿通过连续的刮擦运动去剪切岩石。
A drilling tool that USES polycrystalline diamond compact (PDC) cutters to shear rock with a continuous scraping motion.
PCD复合片由聚晶金刚石层和硬质合金层组成。
The polycrystalline diamond (PCD) compact is composed of polycrystalline diamond layer and hard alloy layer.
聚晶金刚石复合片刀具的焊接，严格要求加热温度和时间的参数。
The brazing of PCD tools requires exact heating temperature and soaking time.
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