問題詳情
89. 下列對於動力技術系統的敘述，那些是正確的？①磁懸浮列車是一種靠磁力來推動的列車，由於其軌道的磁力使之懸浮在空中，行進時不需接觸地面，因此其阻力只有空氣的阻力 ②動力集中式列車是鐵路運輸中以傳統牽引方式運行的列車 ③動力分散式列車是一種動力分布在多個車廂的鐵路列車，特點是動力來源分散在列車各個車廂上的發動機或電動機
(A)①②
(B)①③
(C)②③
(D) ①②③
(A)①②
(B)①③
(C)②③
(D) ①②③
參考答案
無參考答案
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