名词
中文翻译：左手焊接
同义词：
['左手持焊，左手持焊技术例句：1. The lefthand welding process is crucial for the structural integrity of the bridge.（左手焊接过程对于桥梁的结构完整性至关重要。）2. He was skilled in lefthand welding', 'which allowed him to perform complex repairs on time.（他擅长左手焊接，这使他能够按时完成复杂的修理工作。）3. During construction', 'workers often use lefthand welding techniques to join metal sheets together.（在施工过程中，工人经常使用左手焊接技术将金属板材连接在一起。）']
例句：
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1. The lefthand welding process is crucial for the structural integrity of the bridge.
左手焊接过程对于桥梁的结构完整性至关重要。
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2. He was skilled in lefthand welding, which allowed him to perform complex repairs on time.
他擅长左手焊接，这使他能够按时完成复杂的修理工作。
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3. During construction, workers often use lefthand welding techniques to join metal sheets together.
在施工过程中，工人经常使用左手焊接技术将金属板材连接在一起。