名词
中文翻译：便携式起重机
同义词：
['portable crane', 'portable lift', 'portable hoist']
例句：
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1. Theportable boom conveyer is perfect for moving heavy loads around the construction site.
便携式起重机非常适合在建筑工地搬运重物。
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2.The portable boom conveyer was used to transport materials from one location to another.
便携式起重机被用来将材料从一个地点运输到另一个地点。
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3. The portable boom conveyer made it possible for us to quickly move large quantities of goods without having to use a truck.
便携式起重机使我们能够快速移动大量货物，而无需使用卡车。