名词
中文翻译：Unknown
同义词：
['rectangular bellows', 'squaredbellows']
例句：
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1.The carpenter used a square bellows to blow air into the wood.
木匠使用一个方形风箱将空气吹入木头。
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2. The square bellowswere designed to be easily stored and transported.
方形风箱设计得便于存放和运输。
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3. The square bellows wereused to power the machine that made thefurniture.
方形风箱被用来驱动制造家具的机器。