单选题在示功图上能正确反映柴油机活塞位移的变化,是因为()。A示功器小活塞选择正确B示功器弹簧选择正确C示功器具有转筒部分D示功器传动机构定时正确
单选题
在示功图上能正确反映柴油机活塞位移的变化,是因为()。
A
示功器小活塞选择正确
B
示功器弹簧选择正确
C
示功器具有转筒部分
D
示功器传动机构定时正确
参考解析
解析:
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