carbide drilling bits 硬质合金钻齿
CARBIDE TIPPED TOOL BITS 硬质合金焊接刀具
composite diamond-tungsten carbide button bits 复合球齿钻头
tungsten carbide drill bits 硬质合金钎头
Practical tests show that the performance of cemented carbide anvils, coated blade and drill bits with graded structure developed in this dissertation are superior to those with regular structure.
经现场使用试验证明，本研究所制备的具有梯度结构的硬质合金顶锤、涂层刀片以及硬质合金钻齿的使用性能均明显优于常规均匀结构的硬质合金。
Test results show diamond enhanced tungsten carbide composite spherical crown button bits are the ideal bits in drilling cobble and gravel formation.
试验表明金刚石—硬质合金复合球齿钻头是一种理想的钻进卵砾石层的钻头。
This article introduces the principle of design and the process of manufacture about the automatic pressing mould of cemented carbide spherical shape bits, briefly analyzes its economic benefit.
本文介绍了硬质合金球齿自压模的设计原理以及制作过程，并浅谈了其带来的经济效益。
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