... thin drilling bit 薄壁钻头 Stones Drilling Bit 石材钻头 Oil Drilling Bit Series 石油钻头系列 ...
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thin wall diamond drilling bit 金刚石薄壁钻
thin wall diamond bit drilling 薄壁金刚石钻进
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Laser welding thin wall bit is characterized by high welding strength of bit teeth, no falling out of the teeth and mass production by non water dry drilling.
激光焊接薄壁钻头的显著特点是钻齿焊接强度高，不掉齿，可以用于无水干钻，便于实现大批量规模化生产。
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