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【多选题】
下列关于公路运输的特点,说法正确的是( )A.
机动灵活，适应性强
B.
可实现 “ 门 到门 ” 的直达运输
C.
安全性较低， 污染环境较大
D.
运量大，费用低
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
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