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应根据机车牵引力、区段内线路状况及其设备条件确定。
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公路运输中，车货总宽度()m以上，为超限运输车辆。
The existing government has been______ great importance to the improvement of the quality
是中国工程咨询协会的最高决策机构。
听力原文：M: Where axe you going to go for summer vacation？
W: I was going to go to France and Germany, but with the depreciation of the dollar, I'm having second thoughts.
M: It's not as though there was nowhere to go in the States, right？
W: You know, I've only ever been to seven states. I figured I might take a trip down the West Coast.
M: You could do a lot worse than that. There's some stunning scenery and the people in those parts are really friendly.
W: That's what I heard. Anyway, I'm going to take a look at some second hand trailers this month. I can pick one up really cheap and then I won't need to pay for motels every night.
M: I wouldn't recommend that. Trailers aren't cheap and can be pretty unreliable. The weather on the West Coast in the summer is going to be really good. You'd be much better off just buying a tent.
Where is the woman planning to go on vacation？
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