GB/T 33925.1-2017液体泵及其装置通用术语、定义、量、字符和单位第1部分:液体泵国家标准
英文:Liquid pumps and installation—General terms, definitions, quantities, letter symbols and units—Part 1: Liquid pumps G...
英文:Liquid pumps and installation—General terms, definitions, quantities, letter symbols and units—Part 1: Liquid pumps G...