名词
中文翻译：Unknown
同义词：
['heavy duty', 'heavy load', 'heavy duty equipment']
例句：
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1. This high-duty iron is designed for heavy lifting tasks.
这款高负荷铁是为重举任务设计的。
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2. The heavy load of work has taken a toll on his health.
繁重的工作负担已经对他的健康造成了影响。
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3. He used the heavy duty equipment to lift the heavy box.
他用重型设备举起了沉重的箱子。