| 释义 |
r.allen
- allenen. [化]丙二烯
- allergenn. 过敏原
- Allenn. 艾伦（男子名）
- 读、写、算dú _ xiě _ suàn
the three R's
- 每分钟转数měi fèn zhōng zhuǎn shù
revolutions per minute (r/m)
- 内六角扳手nèi liù jiǎo bān shǒu
socket head wrench; allen wrench; internal hexagonal wrench
- 阴极射线管yīn jí shè xiàn guǎn
cathode-ray tube (CRT); cathode-ray lamp; C-R tube
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