最常见便是一个集电靴突然中止，连接火车电力设备的导线需要被安全保护起来的情况。
The most common reason is when a shoe breaks off and its connecting lead to the electrical equipment on the train has to be secured safely.
我国焊管高频电力设备在继电保护技术方面重视不够。
Enough stress is not laid on the relay protection technique for HF electrical equipment of the welded pipe in our country.
文摘：我国焊管高频电力设备在继电保护技术方面重视不够。
Abstract: Enough stress is not laid on the relay protection technique for HF electrical equipment of the welded pipe in our country.
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