攻丝

攻(螺)丝 [gōng sī]

1. ■ {机} tapping

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常用词组

1. ■ 攻丝工人 tapper;

2. ■ 攻丝机 {机} threading machine; machine-working taps; tapper; tapping machine;

3. ■ 攻丝夹头 tap holder; tapping attachment;

4. ■ 攻丝孔 tapping hole;

5. ■ 攻丝卡盘 threading chuck;

6. ■ 攻丝螺钉 thread-cutting screw;

7. ■ 攻丝润滑剂 tapping paste; threading lubricant;

8. ■ 攻丝装置 chasing bar