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【单选题】
打磨车的驱动装置采用液压驱动系统,动力车的下部安装有两台动力转向架,整列共有四台动力转向架,而生活车的下部有两台( )转向架?
A.
非传动
B.
传动
C.
非动力
D.
动力
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B.
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A.
0
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不确定
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