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propadiene
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propadiene
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丙二烯
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propadiene; allene
丙二烯
最简单的含累积双键的烯烃。常与丙炔共存于石油裂解制乙烯过程中产生的碳三馏分中。分子式CH2═C═CH2。
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digital measuring instrument
digital media
digital media art
Digital Media Consumers'Rights Act
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digital media content management information system
digital media content management system
digital media technology
digital medicine geometric model
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digital microphone
digital migration
Digital Millennium Copyright Act
digital mine
digital mining design
digital mining software system
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digital modeling for geotechnical investigation
digital model virtual assembly
digital modulation and demodulation
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digital multifunctional optical disc
digital multimeter
digital multipurpose optical disc
digital museum
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