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【简答题】
移动闭塞的三个基本要素包括 、 和 。
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皮皮学刷刷变学霸
举一反三
【单选题】As for turbine oil, contacting with water in the form. of steam will be inevitable so good ______ properties will be essential.
A.
defrosting
B.
de-oiling
C.
demulsifying
D.
dehumidifying
【单选题】What is a turbine?
A.
A machine for generating electricity
B.
A machine for extracting controlled mechanical energy from the movement of a fluid
C.
Any device using blades to interact with a fluid
D.
A machine with a cycle that includes a gas phase
【单选题】As for turbine oil, contact with water in the form of steam will be inevitable so good______properties will be essential
A.
defrosting
B.
de-oiling
C.
demulsifying
D.
dehumidifying
【简答题】TURBOCHARGER The turbocharger forces additional air into combustion chambers so that engine can burn more fuel and develop more horsepower than if it were naturally aspirated. In some cases the turboc...
【单选题】The turbine generators with two poles for 60-cps are () machines.
A.
3600-rpm
B.
1800-rpm
C.
5400-rpm
D.
2400-rpm
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