This part of GB/T 6809 specifies the related terms of the reciprocating internal combustion engine mounts and external covers. GB/T 1883 gives the classification of reciprocating internal combustion engines, and stipulates the basic terms of such internal combustion engines and their characteristics.
GB/T 6809.1-2009 Referenced Document
GB/T 1883.1 Reciprocating internal combustion engines.Vocabulary.Part 1: Terms for engine design and operation