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以下是引用lemoncap在2008-3-30 4:18:16的发言：用电机的问题在于太重（~1公斤/千瓦）。这就是为什么电传动一般限于地面，海洋动力传动的原因。专利嘛，按部就班就是了。电机是指发电机...

引用第1楼phpskycn于2010-02-26 20:24发表的 :…………………………的回复“百度知道”？那还是转过来比较好：计算公式：管材可承受的压力（MPa）=管材的抗拉强度（MPa）*管...

引用第6楼火箭爱好者于2012-01-07 13:32发表的 Re:[完全原创]全硬件纯正弦逆变器制作教程赶在2012年前发布~~~ :LZ给的那个网站很卡，开了几十分钟才能进额~~~~~~~~~[s...

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