If the adjacent carriages link up with the immobile hook, it will do harm to the tipper and the hook.
但是，这种翻车机可靠工作的前提是运煤车厢的正确连接连接，否则，将损坏翻车机和车钩，并造成极大的经济损失。
参考来源 - 运煤车连接方式自动检测系统的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
"a generous tipper"
以上来源于: WordNet
N a person who gives or leaves a tip 给小费的人
he is a generous tipper
She says that Americans are usually big tippers.
她说美国人通常给小费很大方。
The best tippers tend to be middle-class or people who have worked for everything they have, not the really wealthy or the kid who inherited the trust fund.
最好的付小费者是中产阶级或者自己发家的人，而不是真正富翁或者继承财产的孩子。
It has been revealed that diners in the two American cities are the lowest tippers in the country.
数据显示这两大城市的食客们是全美给小费最少的。
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