DIN 1304-5-1989《符号;流体力学符号》
This standard specifies letter symbols for quantities used in fluid mechanics. It is a supplement to DIN 1304 part 1 for this field and is to be used together with that standard.
This standard specifies letter symbols for quantities used in fluid mechanics. It is a supplement to DIN 1304 part 1 for this field and is to be used together with that standard.