中国ISO标准砂是等同采用国际标准检验水泥强度的法定基准材料，是国家专营专控的战略性物资。
Ltd. is the only enterprise designated by Chinese government to produce and sell China ISO Standard Sand.
电池行业等同、等效采用国际标准或国外先进标准任务繁重。
It is a heavy task to identically or equivalently adopt international standards and advanced overseas standards for battery industry.
电池行业等同、等效采用国际标准或国外先进标准任务繁重。
It is a heavy task to identically or equivalently adopt international standards and advanced overseas standards for battery industry.
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