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来了解下千斤顶为何能轻松顶起千斤重物，它力大无穷的秘密是什么
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![德惠市气象局发布寒潮黄色预警[III级/较重]](http://p3-sign.bdxiguaimg.com/tos-cn-p-0015/o8P39ffCQBAi5b1EBIEv5xA2KYpgPnvvBA9Di9~tplv-pk90l89vgd-fglass:864:486:90.jpeg?appId=32&channelId=0&customType=custom%2Fnone&from=101_middle_image&imageType=list&isImmersiveScene=0&is_stream=0&lk3s=9d3f5bff&logId=202411262343162378E63BD9D8204846D6&requestFrom=101&x-expires=1764171797&x-signature=Me%2F%2FwgLu0V%2FDPQC8z0rfXHxy18U%3D)
