双头

双头 [shuāng tóu]

1. ■ double-end

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常用词组

1. ■ 双头泵 bull pump;

2. ■ 双头畸胎 dicranus; craniodidymus; bicephalus; dicephalus;

3. ■ 双头假捻变形 duo-twist texturing;

4. ■ 双头接点 twin contact;

5. ■ 双头垄断 duopoly （即市场某一商品由两家卖主垄断）;

6. ■ 双头螺栓 stud;

7. ■ 双头螺丝钉 dowel screw;

8. ■ 双头螺纹 double threaded (screw); stud bolt;

9. ■ 双头卡规 double-end snap gauge;

10. ■ 双头式 bullhead;

11. ■ 双头镗床 double-ended boring machine;

12. ■ 双头蜗杆 double-thread worm;

13. ■ 双头针 double-ended needle