现行国标GB1883－89规定的内燃机术语符号与过去习惯上使用的和某些出版较早标准规定的术语符号有些变化。为提高内燃机行业的标准化水平，现摘出GB1883－89《往复式内燃机术语》中的术语符号列表如下，以供广大内燃机工作者、读者和作者遵照执行。内燃机的术语符号涉及许多技 The current national standard GB1883-89 specifies the terminology of the internal combustion engine somewhat different from the conventions used in the past and some of the terminology used earlier in the standard. To improve the level of standardization of the internal combustion engine industry, is now extracted GB1883-89 “Reciprocating internal combustion engine terminology” in the list of terms and symbols below, for the majority of internal combustion engine workers, readers and authors comply with the implementation. The terminology of internal combustion engines involves many techniques