The technology of developing quality and strong pick is found by researching the hard metal alloy, pick-body material, weld gap, technique of braze welding and heat treatment.

• 通过对硬质合金、截齿体材质、焊缝间隙、钎焊及热处理工艺的研究,寻找出了研制优质强力截齿的技术途径。