All the company’s aircraft have been grounded, after a ________ in the engine cooling system was discovered.
举一反三
- The purpose of the engine's cooling system is to remove excess heat from the engine, to keep the engine operating at its most efficient temperature,and to get the engine up to the correct temperature as soon as possible after starting.
- The fuel oil system in the ship's engine room is not included . A: Fuel purifying system B: Fuel transfer system C: Fuel supply system D: Fuel cooling system
- Engine system includes __________________, starting system, __________________ cooling system, fuel supply system, crank-connection rod mechanism and __________________.
- The expansion tank for a diesel engine closed cooling system is designed to maintain a constant head on the system and （）.
- The purposes of the _____ are to remove excess heat , to keep the engine operating and to warm up the engine A: engine lubrication system B: engine cooling system C: crank mechanism D: valve train