scraping tool 刮刀 ; 刮削刀具
pipe scraping tool 刮管工具
A drilling tool that USES polycrystalline diamond compact (PDC) cutters to shear rock with a continuous scraping motion.
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。
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