手柄又称把手、柄,是物体的一部分,通常人们可以用手抓住手柄并通过手柄来操控物体。许多类型的手柄设计都涉及到大量的人体工程学。例如工具的手柄是工具的一个重要组成部分,人们通过工具手柄能够最大限度地发挥工具的作用。[1]
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