At its most basic level, a roller coaster is a machine that USES gravity to send a train along a winding track.
从最基本的层面来说，过山车是一种利用重力让车体沿着弯曲轨道运行的机器。
The higher vocational education is to train applicable technicians, craftsmen, engineers catering to the manufacture, basic level, management and service.
高等职业教育要培养面向生产、面向基层、面向管理和服务第一线的技术型和应用型工艺师、技术师、管理工程师。
The higher vocational education is to train applicable technicians, craftsmen, engineers catering to the manufacture, basic level, management and service.
高等职业教育要培养面向生产、面向基层、面向管理和服务第一线的技术型和应用型工艺师、技术师、管理工程师。
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