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SCIENCE STUDY

Plastic poses danger to trains

作者:TEENS
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Pieces of plastic like this can stop trains in their tracks. BEIJING RAILWAY BUREAU

高铁为什么怕地膜?

During the May Day holiday, some high-speed trains were delayed or canceled (取消). This was caused by a power outage (停电) on the Beijing-Guangzhou high-speed railway. 

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