GB/T 35017-2018连续搬运设备散状物料分类、符号、性能及测试方法国家标准
英文:Continuous handing equipment – Bulk Solids Chassification, Symbol, Performance and Test methods GB/T 35017-2018...
英文:Continuous handing equipment – Bulk Solids Chassification, Symbol, Performance and Test methods GB/T 35017-2018...