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原型机 yuánxíngjī
met. prototype machine
space proof-of-concept article (含义同 prototype); prototype
原型机样机 yuánxíngjī
nautic., tech. prototype engine
军用飞机的原型机 yuánxíngjī
avia. development aircraft
原 型 机
: 48 phrases in 11 subjects
Agriculture1
Aviation14
Compressors1
Electric machinery5
Electronics3
Engineering geology1
Hydroelectric power stations1
Metallurgy3
Space10
Technology8
Wind Energy1