大气压强无处不在，人们在生活、生产实践中也经常利用大气压来工作，请你举出三个实例：（1） 初二物理的压强与浮力一些比较经典和爱考的题
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2.2 \u62bd\u6c34\u673a
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2.3 \u62bd\u6c14\u673a
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2.4 \u6253\u6c14\u7b52
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1\uff0e\uff0804\u5e7f\u4e1c\uff09\u5927\u6c14\u538b\u5f3a\u7684\u503c\u4e3a105Pa\uff0c\u5219\u5927\u6c14\u538b\u5bf9\u4f60\u7684\u4e00\u53ea\u5927\u62c7\u6307\u6307\u7532\u8868\u9762\u7684\u538b\u529b\u5927\u7ea6\u662f \uff08 B \uff09
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C \u74f6\u585e\u9047\u51b7\u6536\u7f29 D\u585e\u5b50\u4e0e\u74f6\u53e3\u95f4\u7684\u6469\u64e6\u529b\u589e\u5927
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6\uff0e\uff0804\u5317\u4eac\u671d\u9633\u533a\uff09\u4ee5\u4e0b\u8bf4\u6cd5\u9519\u8bef\u7684\u662f\u3014 A\u3015
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11\uff0e\uff0804\u6cb3\u5357\uff09\u4e0b\u5217\u5404\u73b0\u8c61\u4e2d\uff0c\u4e0e\u5927\u6c14\u538b\u6709\u5173\u7684\u662f\uff08 B\uff09
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A\uff0e\u8fd0\u52a8\u5458\u628a\u5f13\u62c9\u5f2f\uff0c\u8bf4\u660e\u529b\u4ea9\u53f0\u6539\u53d8\u7269\u4f53\u7684\u5f62\u72b6
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\u5e94\u7528\u4e86\u5927\u6c14\u538b\u7684\u77e5\u8bc6\u8336\u58f6 \u62bd\u6c34\u673a\uff08\u6216\u5851\u6599\u5438\u76d8\uff09
49\uff0e\uff0804\u957f\u6625\uff09\u5927\u6c14\u538b\u5f3a\u65e0\u5904\u4e0d\u5728\uff0c\u4eba\u4eec\u5728\u751f\u6d3b\u3001\u751f\u4ea7\u5b9e\u8df5\u4e2d\u4e5f\u7ecf\u5e38\u5229\u7528\u5927\u6c14\u538b\u6765\u5de5\u4f5c\uff0c\u8bf7\u4f60\u4e3e\u51fa\u4e24\u4e2a\u5b9e\u4f8b\uff1a\uff081\uff09________________________\uff082\uff09________________________\u3002\u8bf4\u660e\uff1a\u53ea\u8981\u662f\u5927\u6c14\u538b\u7684\u4f8b\u5b50\u5c31\u53ef\u4ee5
故答案为：
（1）吸管吸饮料；（2）钢笔吸墨水；（3）吸盘式挂衣钩挂衣钩．
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