搜题
王老师:19139051760(拨打)
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第1题

2、 There are four strokes in four-stroke engine, they are ( ),( ),( ) and( ).
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第2题

1、 Classified by the ways of cooling: the internal combustion engine can be divided into ( ) and ( ) based on the ways o
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第3题

5、 Which component in the ignition circuit provides high voltage in the secondary circuit? A. Ignition distributor B. Ba
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第4题

4、 Coolant in a liquid-cooled system flows directly from the water pump to the ______. A. bottom of the radiator B. wate
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