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化学试剂
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化学试剂
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化学试剂
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chemical reagent
化学试剂
一类具有各种标准纯度,用于教学、科学研究、分析测试,并可作为某些新型工业所需要的纯和特纯的功能材料和原料的精细化学品。
Chemistry
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chemical reagent
化学试剂
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offset guiding device
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offset rings
offsetting
offshoot
offshore breakwater
offshore development of oil and gas
offshore engineering
offshore engineering structure
offshore enhancement and aquaculture engineering
offshore fishing
offshore gas well string
offshore installations
offshore marginal oil and gas fields
offshore microbes
offshore minimal platform
offshore minimal platform abroad
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