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。

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.

youdao

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。

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.

youdao