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GB/T 40497-2021海上設施防火與防爆設計評估原則Evaluation principles for the design of offshore facilities aga...2022-03-18

GB/T 40498-2021公共機構能耗定額標準編制通則General principles of drafting energy consumption norm standards ...2022-03-18

GB/T 21543-2021飼料添加劑調(diào)味劑通用要求Feed additives. Flavorings. General principles2022-03-14

Pragmatic Analysis on Verbal Humor in Friends2020-11-22

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