The two-stroke cycle begins with the piston coming up from the bottom of its stroke, with scavenge ports in the sides of the cylinder being （）.

The term medium speed diesel engine is currently taken ...

单项选择题The term medium speed diesel engine is currently taken to mean an engine with an operating rotational speed of （） rpm.

The term （） refers to one complete sequence of operatio...

单项选择题The term （） refers to one complete sequence of operations required to produce power in an engine.

The supercharger takes air out of the surrounding atmos...

单项选择题The supercharger takes air out of the surrounding atmosphere and then feeds it to the engine’s （）.