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發(fā)布時(shí)間: 2019-3-20 13:03
正文摘要:這個(gè)滑輪組,,纜繩拉動(dòng)一米,驅(qū)動(dòng)滑塊移動(dòng)多少呢,?1 |
0.25 又學(xué)到一招 |
多謝各位解答 |
0.25 兩個(gè)動(dòng)滑輪 每個(gè)乘0.5 |
0.25 |
兩個(gè)動(dòng)滑輪 每個(gè)乘0.5 所以是0.25米 |
0.25 |
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