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| 乙炔〔电石〕气; 乙二叉; 乙叉撑; 亚次乙基 | |||
| 乙炔电石气 (CH≡CH) | |||
| 炔烃 | |||
| 乙块 (C₃H₃) | |||
| 联亚甲基 | |||
| 乙烘 | |||
| 乙炔 | |||
| 乙炔气 | |||
| 乙块 | |||
| 电石气 | |||
| acetylene: 380 phrases in 30 subjects |
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