题目内容
V带的型号和（），都压印在胶带的外表面。
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为使V带的两侧工作面与轮槽的工作面能紧密贴合，轮槽的夹角ψ必须比40°略（）。
V的型号共有7种，其中Y型的横截面积最大，E型的横截面积最小，
为了保证V带的工作面与带轮轮槽工作面之间的紧密贴合，轮槽的夹角应略小于带的顶夹角。
ABC Travel Agency organised a 10-day tour for us to many famous places ofinterest in China in October last year. They arranged for internal travel by11______, booked hotels and various guided activities. But we arranged our own12______to and from China and extensions to the tour to Hong Kong and SingaporeABC Travel Agency was good value for money when 13______other travelagencies. It was about 40% less than I was quoted by well-known UK travelcompanies for the same itinerary. I would have no hesitation recommending it. ItsGuides were14_____and generally knowledgeable. Most of them spoke good English.Some even went beyond the agreed itinerary and arranged15_____activities for us.
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