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[Subject: Chemistry]

- 一种无色的气体烃HC CH，分子中含叁键，压缩时爆炸，用氮或丙酮稀释后则安全，由水与碳化钙或由其它烃的热解或氧化制备，主要用于焊接和除漆，亦用于照明以及许多有机合成物

Translated by: LI SHUQING

Translated in 33 languages

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