名词
中文翻译：电弧焊机夹具
同义词：
['arc welding jig', 'welding jig']
例句：
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1. The engineer used a pantograph jack to lift the heavy steelbeam.
工程师使用电弧焊机夹具抬起了沉重的钢梁。
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2. The constructioncrew used the pantograph jackto secure the bolts before starting theproject.
施工队伍使用电弧焊机夹具在开始项目之前固定螺栓。
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3.The pantograph jack was essentialfor the successful completion of the bridge project.
电弧焊机夹具对于桥梁项目的顺利完成至关重要。