名词
中文翻译：轨道焊接机
同义词：
['rail welder', 'rail welding equipment']
例句：
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1.This rail welding machine is used for connecting railway tracks together.
这台轨道焊接机用于连接铁路轨道。
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2. The engineers are responsible for maintaining the safety of the rail welding machine.
工程师们负责维护轨道焊接机的安全问题。
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3. The rail welding machine is an essential tool for railway construction.
轨道焊接机是铁路建设中不可或缺的工具。