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core bit

更新日期:2026-08-14

词语 core bit
释义

core bit
释义
中心钻头:中心钻头是中心钻的切削部分,是一个空心的圆柱形钻头。
例句
1·Run in a diamond core bit .
下金刚石取芯钻头。
2·Run in diamond core bit .
下金刚石取芯钻头。
3·The core bit includes shank and thread, which consists of male thread and female thread.
有直柄钻头和螺纹柄钻头之分,螺纹柄分为内螺纹和外螺纹。

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