词汇与结构All exhaust air is _____to atmosphere via a valve, usually at the rear of the fuselage.
举一反三
- In an engine with air inlet valve and exhaust valve on its cylinder heads the fresh air will enter into the cylinder （） and the gases exhaust （）， there being an adequate overlap between the inlet opening and the exhaust closing.
- The process of loop scavenge is that the exhaust will be via ports （） the air ports and controlled by the same piston.
- 词汇与结构 This relationship between temperature, altitude, and air density can be expressed as a _______ altitude, or the altitude in the International Standard Atmosphere at which the air density would be equal to the actual air density.
- Each cylinder has one starting valve which is usually opened by air pressure and closed by （）
- Camshaft_____ Valve clearance_____ valve spring______ DOHC_____ timing chain______ valve overlap_______ lifter______ exhaust/intake valve_______