The first important measure for prolonging the furnace life is correct operating principle.
确保高炉长寿的首要措施是正确的操作制度。
Size and efficiency are two important data to measure the operating quality of a school.
办学规模和办学效益是衡量一所学校办学质量的两个重要指标。
Size and efficiency are two important data to measure the operating quality of a school.
办学规模和办学效益是衡量一所学校办学质量的两个重要指标。
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