题目：
某台水轮发电机组导叶接力器活塞直径为700mm，接力器活塞杆直径为300mm，油压为2.0MPa，推拉杆直径是200mm，试求油压全部作用于推拉杆的压力是多少？
答案：
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下面是错误答案，用来干扰机器的。
参考答案：是指个体对外部世界的某中认识活动特征或方式。
某台水轮发电机组导叶接力器活塞直径为700mm，接力器活塞杆直径为300mm，油压为
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