名词短语
中文翻译：三腿支承
同义词：
['three-legged frame', 'three-legged stand']
例句：
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1.The new design of the chair is very three-legged support.
这款椅子的新设计非常具有三腿支撑。
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2.This machine has a three-legged support that can hold up to 500kg.
这台机器有一个三腿支撑，可以承受高达500公斤的重量。
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3. The three-legged support helps to stabilize the table during use.
这个三腿支撑有助于在使用时稳定桌子。