（） device is provided to prevent starting air from being admitted to the cylinder before the reversing is completed.
举一反三
- The compressed air is admitted to each cylinder through a cam operated by starting air valve when the piston has just passed its （）.
- In an operating diesel engine, which of the following conditions is an indication of a leaking air starting valve? A.Noise coming from that air starting valve B.Continuous operation of the starting air compressor C.Zero air pressure in the air starting system D.Overheated starting air pipe to the cylinder head
- The starting air system usually has （） to prevent starting if anything is not in order.
- Compressed air is supplied by air compression to （）. A: the air receivers B: the starting valves C: the cylinder covers D: the distributor
- Before starting the engine the air bottle should be （）.