谁能给我一个小发明的点子

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2025-03-10 08:39:17
推荐回答(1个)
回答(1):

我做过一个船的模型
模型没什么可说的

重点是它的动力

我用管壁很薄的金属管 就象老式电视机的天线 那种的
或空调上的制冷管

很长见的 容易受热的

把它弯成U形 然后把U上面的两个小尾巴再弯成90度 整体的侧面象字母倒着的L
把管子放在水中 只用两个口在水里就行了 让管子中充满水

然后在U行的中间下面放上蜡烛 当受热到一定程度 由于内部水温升高气压增大 管子会出现一头进水 一头出水 或两个头一半进水一半出水

动力还不小

温度越高 压力越大 动力也就越足

很简单的

去年我在学校做过这个东西 当时所有人都不相信
后来看到的时候 他们都傻了

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