名词
中文翻译：Unknown
同义词：
['three-pin grapple', 'three-pin hook', 'three-pin claw', 'three-pin grabber']
例句：
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1. The engineer used a three-tine grapple to lift the heavy machine.
工程师使用一个三叉钩式起重器来提升这台重型机器。
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2.The construction workers used the three-tine grapple to move the heavy materials.
建筑工人使用这个三叉钩式起重器来移动重物。
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3.The three-tine grapple was a critical tool in the construction of this bridge.
这个三叉钩式起重器是建造这座桥梁的关键工具。