It's important to tighten up the wheels properly, otherwise they vibrate loose and fall off.
把车轮拧紧很重要，否则它们会振动而松脱。
To evade Mexican police and immigration authorities, the children jump onto and off of the moving train cars. Sometimes they fall, and the wheels tear them apart.
为了躲避墨西哥警察和移民局官员，孩子们在火车行进时上蹿下跳，有时会摔到车底，被车轮碾得粉身碎骨。
Without her the wheels would fall off this fast moving train.
没有她的车轮脱落，这个快速移动的火车。
The template suspender device is stable in structure; and the guide wheels of the guide wheel device are unlikely to fall off or drop, thus ensuring the production safety.
本实用新型所提供的模板吊杆装置结构稳定，导轮装置中导轮不易从导轨中脱落或坠落，保证生产安全。
The template suspender device is stable in structure; and the guide wheels of the guide wheel device are unlikely to fall off or drop, thus ensuring the production safety.
本实用新型所提供的模板吊杆装置结构稳定，导轮装置中导轮不易从导轨中脱落或坠落，保证生产安全。
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