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空转试验 kōngzhuàn shìyàn
chem. no-load test; run-in test
el.mach. run-idle test
met. blank experiment; running-in test
oil motoring test
tech. preoperation test; preoperational test; racing test
发动机空转试验 kōngzhuàn shìyàn
agric. running-in test
空转试验: 2 phrases in 2 subjects
Rail transport1
Shipbuilding1