The engine has one or two group of fuel pumps， depending upon （）.
举一反三
- Depending on the power sources, pumps used in hydraulic system are divided into engine driven pump, electrically driven pump and hand pump.
- The fuel oil system for a diesel engine can be considered in two parts--the fuel supply and the （） systems.
- The fuel oil system for a diesel engine can be considered in two<br/>parts---- the fuel supply and the ()systems A: fuel purification B: fuel combustion C: fuel treatment D: fuel injection
- Where is not in the engine room? A: main engine B: auxiliary engine C: pumps D: steering gear
- Impurities in the fuel oil will affect the operation of the engine， which has （） the use of separator and some other devices.