地錨長度換算
回答 (10)
2014-04-26 5:31 pm
✔ 最佳答案
地錨12米45度打入要如何換算地面長度....急急急L=12*√2/2
=6√2
=8.485(m)
2014-05-29 5:23 pm
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2014-05-27 1:35 pm
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2014-04-30 9:10 pm
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2014-04-27 10:31 pm
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原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20140425000010KK07476