Sea train is an innovation in the multimodal transport system involving the use of rail and ocean transport.
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he value added in terms of the services provided by a MTO is significantly less than that provided by the conventional carrier.
A. 对
B. 错
Container sea transport can help to improve the cargo handling efficiency and speed up the turnover of ships, but it cannot help to save different items of fee.
A. 对
B. 错
马铃薯晚疫病在发病部位症状为_____。
A. 圆形病斑、白色霉层
B. 不规则形病斑、黑色霉层
C. 梭形病斑、黑色霉层
D. 不规则形病斑、白色霉层
马铃薯晚疫病属于_____病害。
A. 高温高湿
B. 低温高湿
C. 高温低湿
D. 低温低湿