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Knowledge of basic chemical unit operations and hazard analysis methodology.
有良好的化工生产基本知识和危害分析知识。
youdao
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The elementary unit of length is the "meter", it's common knowledge.
长度的基本单位是“米”，这是常识。
youdao
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The elementary unit of length is the "meter", it's common knowledge.
长度的基本单位是“米”，这是常识。
youdao