| 释义 |
acetylene diureine
- polyisobutylenen. 聚异丁烯
- counterintelligencen. 反情报；反间谍活动
- involuntarinessn. 无意识或不自觉的性质或状态
- 电石气diàn shí qì
acetylene
- 炔属quē shǔ
acetylene series
- 乙炔yǐ quē
ethyne; acetylene
- 气焊qì hàn
gas welding; acetylene welding
- 炔键quē jiàn
acetylenic bond; acetylene bond
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