Home / Standards / GB/T 1883.1-2025 GB/T 1883.1-2025 Active Reciprocating internal combustion engines—Vocabulary—Part 1:Terms for engine design and operation 往复式内燃机 词汇 第1部分:发动机设计和运行术语 Standard Type GBT ICS 27.020;01.040.27 CCS J 90 Status 现行 Issue Date 2025-10-31 Implementation 2026-05-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A