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.
内容
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If a group has at least two elements of order 2, then this group is not cyclic.
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In the four-stroke engine， it takes （） to make one power stroke. A: one propulsion B: two propulsions C: two revolutions D: one revolutio
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In the four-stroke engine, it takes( )to make one<br/>power stroke() A: one propulsion B: two propulsions. C: two revolutions D: one revolution
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Which of the following engines has no significant effects on energy saving and emission reduction?_____ A: Electronic-controlled injection diesel engine B: Gas turbine C: Gas engine D: Dual fuel engine
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再次启动发动机前，清除地面燃油。 A: Remove the fuel from the ground before you try to start the engine again. B: Remove the fuel from the ground before you try to start the engine one more time. C: Remove fuel from ground before attempting another start. D: Remove the fuel from the ground before you try to repeat the start of the engine repeat.