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Noun:
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a white or colorless mineral (BaSO4); the main source of barium
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用作名詞 (n.)
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A new type of sulphoaluminate clinker containing barium was burnt from low-grade raw material of barytes, and its burning process was studied.
選取低選礦回收率的重晶石為制造原材料,窯燒一種新型含鋇硫鋁酸淡鹽混泥土熟料,并對該混泥土熟料的燒成管理制度采取了實驗。
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不低于內容獨門藝術創作,受巨著權保護區,侵犯著作權必究
海詞詞典翻譯,二十七年知名品牌