行车速度(running speed)
The car is running ______the speed of kilometers an hour.
A.in
B.with
C.at
D.to
A.Minimum speed estimate
B.Maximum speed estimate
C.Average speed estimate
D.A running fix should not be used under these conditions
Propeller running at ____ are generally efficient.
A.high speeds
B.medium speed
C.low speeds
D.the same speed with the engine
Running an electric winch at slow speed over a long period of time causes ______.
A.the speed to be retarded by the friction brake
B.a load to go downward at full speed
C.the circuit breaker to turn off
D.the resistors to overheat and eventually burn out
为了保护您的账号安全,请在“简答题”公众号进行验证,点击“官网服务”-“账号验证”后输入验证码“”完成验证,验证成功后方可继续查看答案!