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牙花弹子的顶端被加工成不同角度的凿型,并和钥匙上的角度切削相配合。
The tips of key pins are chiseled at various angles and mate with angled bitting cuts on the key.
youdao
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牙花弹子的顶端被加工成不同角度的凿型,并和钥匙上的角度切削相配合。
The tips of key pins are chiseled at various angles and mate with angled bitting cuts on the key.
youdao