1) square die
方板牙
2) rectangular die
方型牙板
3) solid square die
固定方板牙
4) hand screwing too
方板牙扳手
5) tooth board
牙板
1.
Being aimed at the features of alloy steel carburization quenching the principle, and easily collapses broken and non-wear resisting characteristic with hanging the pincers tooth boards when using in accordance with well drilling.
针对钻井用吊钳牙板使用时易崩碎、不耐磨的特点,分析了原因,改进了牙板渗碳淬火的热处理工艺。
补充资料：方板
1.指公文;文书。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条