槽液浓度测试问题，在厂矿企业为常见问题。
Testing the concentration of tank liquor is a common problem in the industry.
载货车辆称重管理系统在大型厂矿企业中占据重要的地位。
The weight management system of Laden vehicle takes an important position in large factories .
载货车辆称重管理系统在大型厂矿企业中占据重要的地位。
The weight management system of Laden vehicle takes an important position in large factories .
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