名词
中文翻译：背手焊接
同义词：
['backhanded welding', 'backhand welding例句：1. The welder used a backhand welding technique to join the metal parts together.（焊工使用背手焊接技术将金属部件连接在一起。）']
例句：
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1. The welder used a backhand welding technique to join the metal parts together.
焊工使用背手焊接技术将金属部件连接在一起。
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2.The engineer was proud of his ability to perform backhand welding with precision.
工程师对他的精确执行背手焊接的能力感到自豪。
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3. The construction site needed to have backhand welding done quickly before the next shift started.
施工场地需要在下一班开始之前迅速完成背手焊接工作。