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Terms for subject Chemistry containing straight | all forms | exact matches only
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out-of-straight不直
straight chain polymer直链型高分子
straight edge diffraction直边衍射
straight-lobe compressor转子压缩机 (罗茨型)
straight nitrogenous fertilizer氮肥
straight resin纯树脂
straight styrenebutadiene rubber无油无炭黑丁苯胶