我公司可提供：金刚石钻头系列、双心钻头系列、取芯钻头、钢齿牙轮钻头系列、镶齿牙轮钻头系列等。
Our company can supply: Diamond bit series, bi-center bit series, coring bit series, steel cone bit series, insert bit series, etc.
我公司可提供：金刚石钻头系列、双心钻头系列、取芯钻头、钢齿牙轮钻头系列、镶齿牙轮钻头系列等。
Our company can supply: Diamond bit series, bi-center bit series, coring bit series, steel cone bit series, insert bit series, etc.
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