有關三角形履帶的大型推土機特性，下列敘述何者錯誤？(A)鏈輪中心高於惰輪中心(B)有兩個惰輪(C)兩個地滾輪為一組，可上下擺動(D)移動後方惰輪，可調整履帶鬆緊度。-58題庫

1. 有關三角形履帶的大型推土機特性，下列敘述何者錯誤？
(A)鏈輪中心高於惰輪中心
(B)有兩個惰輪
(C)兩個地滾輪為一組，可上下擺動
(D)移動後方惰輪，可調整履帶鬆緊度。

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