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Prandtl n
earth.sc. 普朗特数
expl. 普朗特尔人名
Prandtl
: 40 phrases in 13 subjects
Aviation1
Chemistry1
Engineering geology1
Explosives and Explosive Ordnance Disposal1
General2
Hydraulics1
Hydroelectric power stations1
Physics1
Rail transport2
Refrigeration1
Space7
Technology10
Wind Energy11