Correct

钻头

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Strokes

Definition

drill bit

Example

As a Noun

bit (of a drill)

1
Sān
三
yá
牙
lún
轮
zuàntóu
钻头

three cone bit

2
Zhuāng
装
shàng
上
zuàntóu
钻头

brace a bit

3
Xièxià
卸下
zuàntóu
钻头

break out a bit