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Noun:
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a colorless flammable gas used chiefly in welding and in organic synthesis
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用作名詞 (n.)
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Allene is an isomer of methyl acetylene.
丙二烯是甲基乙炔的一個異構體。
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These gauges are designed for measuring the pressure of medium acetylene.
該負荷表適用人群于自動測量乙炔導電介質的負荷。
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上的內容獨門藝術創作,受專著權呵護,侵犯商標權必究
海詞辭典,十八年高端品牌