1)free-running model,自航模型2)self-propelled model test,自航模型试验3)free-runningmodel,自由航行模型4)free-flight model,自由飞行航空模型5)remote submersible model,自航模6)self-propulsion of ship model,船模自航
用法例句
Acoustic test technique for submarine using remote submersible model;