²é¿´: 3709  |  »Ø¸´: 11

hellocj

Ìú³æ (СÓÐÃûÆø)

¡ï
Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
ÒýÓûØÌû:
2457246Â¥: Originally posted by lianglei at 2012-05-29 16:00:44
ÄãµÄ¹ÛµãÊǶԵģ¬ÕâÒ²ÊÇΪʲôҪÄÉÃ×»¯µÄÔ­Òò¡£t=L^2/D

Õâ¸ö¹«Ê½ÊÇɶÒâ˼£¬ÄÜ·ñÏê½â
¿ÉÀÖ
11Â¥2012-05-29 16:47:32
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

lianglei

ÖÁ×ðľ³æ (ÕýʽдÊÖ)

ÖðÃÎС³æ

¡ï
Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
ÒýÓûØÌû:
2457255Â¥: Originally posted by hellocj at 2012-05-29 09:47:32
Õâ¸ö¹«Ê½ÊÇɶÒâ˼£¬ÄÜ·ñÏê½â...

L:À©É¢Â·³Ì£¬Ò»°ã¿¼ÂÇÇòÐÎÄ£ÐÍΪ¿ÅÁ£°ë¾¶¡£
t: À©É¢Ê±¼ä
D: À©É¢ÏµÊý

À©É¢Ê±¼ä£¨¶¯Á¦Ñ§ÒòËØ£©ÓëÀ©É¢¾àÀëµÄƽ·½³ÉÕý±È¡£À©É¢ÏµÊýÒ»¶¨£¬ÄÉÃ×»¯¿ÅÁ£°ë¾¶±äΪ1/10£¬Ê±¼ä¼õÉÙ100±¶¡£
ÎÒ˼¹ÊÎÒÔÚ
12Â¥2012-05-29 17:32:24
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ adhisj µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 341Çóµ÷¼Á(Ò»Ö¾Ô¸ºþÄÏ´óѧ070300) +4 ·¬ÇÑÍ·--- 2026-03-22 5/250 2026-03-23 21:59 by fuyu_
[¿¼ÑÐ] Ò»Ö¾Ô¸»ª¶«Àí¹¤´óѧ081700£¬³õÊÔ·ÖÊý271 +3 kotoko_ik 2026-03-23 4/200 2026-03-23 20:47 by ÎҵĴ¬Îҵĺ£
[¿¼ÑÐ] Ò»Ö¾Ô¸ÎäÀí²ÄÁϹ¤³Ì348Çóµ÷¼Á +6 £þ^£þ©bº¹ 2026-03-19 9/450 2026-03-23 19:53 by pswait
[¿¼ÑÐ] 291 Çóµ÷¼Á +4 »¯¹¤2026½ì±ÏÒµÉ 2026-03-21 5/250 2026-03-23 16:46 by »¯¹¤2026½ì±ÏÒµÉ
[¿¼ÑÐ] 276Çóµ÷¼Á +3 YNRYG 2026-03-21 4/200 2026-03-23 08:31 by ×íÔÚ·çÀï
[¿¼ÑÐ] Ò»Ö¾Ô¸ÖÐÄÏ»¯Ñ§£¨0703£©×Ü·Ö337Çóµ÷¼Á +9 niko- 2026-03-19 10/500 2026-03-22 16:08 by ColorlessPI
[¿¼ÑÐ] 305·ÖÇóµ÷¼Á£¨Ê³Æ·¹¤³Ì£© +4 Sxy112 2026-03-21 6/300 2026-03-22 15:26 by ÎÞи¿É»÷111
[¿¼²©] ÕÐÊÕ²©Ê¿1-2ÈË +3 QGZDSYS 2026-03-18 4/200 2026-03-22 10:25 by QGZDSYS
[¿¼ÑÐ] 0856²ÄÁÏר˶353Çóµ÷¼Á +4 NIFFFfff 2026-03-20 4/200 2026-03-22 09:49 by 2026paper
[¿¼ÑÐ] ²ÄÁϹ¤³Ìר˶ 348·ÖÇóµ÷¼Á +3 ¶¬´Ç. 2026-03-17 5/250 2026-03-21 18:47 by ѧԱ8dgXkO
[¿¼ÑÐ] Ò»Ö¾Ô¸Ìì½ò´óѧ»¯Ñ§¹¤ÒÕרҵ£¨081702£©315·ÖÇóµ÷¼Á +12 yangfz 2026-03-17 12/600 2026-03-21 03:30 by JourneyLucky
[¿¼ÑÐ] Ò»Ö¾Ô¸Î÷ÄϽ»´ó£¬Çóµ÷¼Á +5 ²Ä»¯ÖðÃÎÈË 2026-03-18 5/250 2026-03-21 00:26 by JourneyLucky
[¿¼ÑÐ] 22408 344·Ö Çóµ÷¼Á Ò»Ö¾Ô¸ »ªµç¼ÆËã»ú¼¼Êõ +4 solanXXX 2026-03-20 4/200 2026-03-20 23:49 by alg094825
[¿¼ÑÐ] Ò»Ö¾Ô¸Öк£Ñó²ÄÁϹ¤³Ìר˶330·ÖÇóµ÷¼Á +8 С²Ä»¯±¾¿Æ 2026-03-18 8/400 2026-03-20 23:16 by JourneyLucky
[¿¼ÑÐ] 317Çóµ÷¼Á +5 Éê×ÓÉêÉê 2026-03-19 9/450 2026-03-20 22:26 by JourneyLucky
[¿¼ÑÐ] ²ÄÁÏÓ뻯¹¤ 322Çóµ÷¼Á +4 È»11 2026-03-19 4/200 2026-03-20 22:12 by luoyongfeng
[¿¼ÑÐ] ²ÄÁÏѧÇóµ÷¼Á +4 Stella_Yao 2026-03-20 4/200 2026-03-20 20:28 by ms629
[¿¼ÑÐ] ²ÄÁÏѧ˶318Çóµ÷¼Á +5 February_Feb 2026-03-19 5/250 2026-03-19 23:51 by 23Postgrad
[˶²©¼ÒÔ°] ºþ±±¹¤Òµ´óѧ ÉúÃü¿ÆÑ§Ó뽡¿µÑ§Ôº-¿ÎÌâ×éÕÐÊÕ2026¼¶Ê³Æ·/ÉúÎï·½Ïò˶ʿ +3 1ϲ´º8 2026-03-17 5/250 2026-03-17 17:18 by ber´¨cool×Ó
[¿¼ÑÐ] ÓÐûÓеÀÌú/ÍÁľµÄÏëµ÷¼ÁÄÏÁÖ£¬¸ø×Ô¼ºÕÐʦµÜÖС« +3 TqlXswl 2026-03-16 7/350 2026-03-17 15:23 by TqlXswl
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û