GB/T 33925.2-2018液体泵及其装置通用术语、定义、量、字符和单位第2部分:泵系统国家标准
英文:Liquid pumps and installation—General terms, definitions, quantities, letter symbols and units—Part 2: Pumping system...
英文:Liquid pumps and installation—General terms, definitions, quantities, letter symbols and units—Part 2: Pumping system...