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五碳糖
释义
五碳糖
pentose
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downstream
downstream apron
downstream batter (即下游坡)
downstream chamber
downstream face of dam
down stream film
downstream heat exchanger (DSHE)
down-stream injection system
downstream line
downstream pier nose
downstream products (制造业)
downstream profile of crown section
downstream radius of crest
downstream side
downstream slope
down stroke
down stroke hydraulic press
down stroke press
down suction
down symbol
downtake
downtake superheater
downtand
down-the-hole
down-the-row thinner
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