dtdtxy --- 2009-12-09 16:07:40
1
daijinlh --- 2009-12-09 16:30:24
2
謝謝,
zhongming --- 2009-12-09 17:43:49
3
ykrshow --- 2009-12-09 23:39:49
4
solcom --- 2009-12-10 12:22:13
5
dtdtxy --- 2009-12-10 14:21:47
6
不一樣的 我配模具采用的公式是杜邦公司的經(jīng)典公式!
cslin168 --- 2009-12-11 09:59:54
7
風(fēng)雨123 --- 2009-12-15 16:07:01
8
樓主的東西圖文并茂很不錯(cuò)!
dengdefu --- 2010-05-03 20:27:14
9
dengdefu --- 2010-05-03 20:27:30
10
謝謝
Tony1012 --- 2010-05-05 16:29:54
11
ray1983 --- 2010-05-06 11:04:09
12
下了,用不了.

192lc --- 2010-05-15 19:52:10
13
早有了吧,和論壇里的一樣吧
hehe121 --- 2010-06-12 14:01:19
14
DSY168 --- 2010-07-05 09:41:32
15
力纜方面的內(nèi)容不
Conway --- 2010-07-13 17:46:05
16
AnnyWang --- 2010-10-13 14:35:07
17
學(xué)習(xí)學(xué)習(xí)
stevenyhq --- 2010-10-15 16:52:08
18
dtdtxy --- 2010-10-18 13:46:30
19
絞線中心層直徑
單線根數(shù) | 1 | 2 | 3 | 4 | 5 |
中心層直徑 | d | 2d | 2.154d | 2.414d | 2.701d |
絞線中各層外徑計(jì)算
中心層單線根數(shù) | 1 | 2 | 3 | 4 | 5 |
第n層外徑D | (2n-1)d | 2nd | (2n+0.154)d | (2n+0.414)d | (2n+0.701)d |