The lab for testing protecting slag property was established and the means for measuring its physical property was improved.
建立了保护渣检测实验室，完善了保护渣物理性能的实验检测手段。
The lab for testing protecting slag property was established and the means for measuring its physical property was improved.
建立了保护渣检测实验室，完善了保护渣物理性能的实验检测手段。
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