单项选择题
“Movement of engine no longer required” means “（）”.
A.Stop Engine B.No Engine Revolutions C.Stand-by Engine D.Finished With Engine
单项选择题 The order “（）” means “Maximum maneuvering engine revolution for ahead propulsion”.
单项选择题 The trim of a vessel is the （）.
单项选择题 The explosive range of a mixture of flammable vapors is specified as a percentage of （）.
