名词
中文翻译：圆管延伸杆
同义词：
['round steel rod', 'round pipe extension', 'round tube extension']
例句：
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1. The engineer used a round extension rodto adjust the angle of the roof.
工程师使用一根圆管延伸杆来调整屋顶的角度。
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2. The construction crew needed a round extensionrod to lift the heavy equipment.
施工队需要一根圆管延伸杆来抬起重型设备。
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3. The tool was designed to fit snugly into the round extension rod,ensuring a secure connection.
该工具设计得可以紧密地插入圆管延伸杆，确保牢固连接。