Znn3bq.jpeg
²é¿´: 4455  |  »Ø¸´: 7
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

whqs8426212

Í­³æ (ÕýʽдÊÖ)

[ÇóÖú] ÈçºÎÇó½ØÃæ¹ßÐÔ¾Ø ÒÑÓÐ6È˲ÎÓë

´Ó¼ÆËã»úת¹ýÀ´µÄ£¬Óöµ½ÁËÕâÌâ²»»á×ö£»²»ÖªµÀ¹ßÐԾصÄʵ¼ÊÒâÒ壻Ҳ²»ÖªµÀÈçºÎÈ¥Çó
ÎÒÏȸøÒ»¸öÀýÌ⣬ϣÍû´ó¼ÒÄܸøÒ»µãÆô·¢£»
лл£¡

ÈçºÎÇó½ØÃæ¹ßÐÔ¾Ø
L4CTDHSTB_)S]TS7EHQUA)F.jpg
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

nieding07

½û³æ (СÓÐÃûÆø)

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
±¾ÌûÄÚÈݱ»ÆÁ±Î

4Â¥2014-10-24 20:58:22
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 8 ¸ö»Ø´ð

°àÈôÓ¥

ľ³æ (ÕýʽдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
²Î¿¼²ÄÁÏÁ¦Ñ§µÄ¸½Â¼²¿·Ö£¬ºÃÏñ½ÐÆ½ÒÆÖṫʽ£¬»®·Ö³É¼¸¸ö¾ØÐμÆËã
2Â¥2014-10-22 18:43:59
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

668308

ľ³æ (ÕýʽдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
¹ßÐԾرȽϼòµ¥£¬¾ØÐνØÃæÊÇÖÐÐÄÖáÊÇbh*3/12£¬²»ÊÇÕâ¸öÖáµÄ»°ÔÚÔ­À´¹«Ê½¼Ó»ò¼õA•yÆäÖÐAÎªÃæ»ýbh£¬yΪºóÀ´Öáµ½Ô­ÖáµÄ´¹Ö±¾àÀ룬עÒâ¶Ô²»Í¬Öá·½ÏòµÄ¹ßÐÔ¾ØÊDz»Ò»ÑùµÄ£¬°üÀ¨Ð±ÃæµÄ¸ü¼ÓÂé·³£¬ÐèҪת¶¯×ø±êÖᣬ»¹ÓйßÐÔ»ýµÄ¸ÅÄÕâЩ¶¼ÊDzÄÁÏÁ¦Ñ§µÄ»ù´¡ÖªÊ¶

[ ·¢×ÔСľ³æ¿Í»§¶Ë ]
ËɰØ
3Â¥2014-10-23 11:34:48
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

µË¼ÒÃ÷

Òø³æ (³õÈëÎÄ̳)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¿ÉÒÔ½«¾ØÐÎÓÉzÖá·Ö¸îΪÁ½¸ö¾ØÐΣ¬Ï²¿ÓɾØÐνØÃæÖÐÐÔÖá¹ßÐԾع«Ê½(b*h^3)/12,ºÍÒÆÖṫʽb*h*d^2Ïà¼ÓµÃµ½(b*h^3)/3;Éϲ¿¿ÉÒÔÓÃÏàͬ·½·¨ËãÍⲿ¾ØÐÎÓëÄÚ²¿¾ØÐιßÐÔ¾ØÔÙÏà¼õ¡£¹«Ê½±¾ÖÊÊÇ£¨y^2dA£©µÄ»ý·Ö¡£ÆäÖÐbÊǾØÐεױߣ¨ÓëzÖáÆ½ÐУ©£¬hÊǾØÐθ߶ȣ¬dA=y*b,yÊÇδ֪Á¿£¬bÊÇÒÑÖªµ×±ß¡£
¹ßÐԾصÄÇó·¨ÔÚ²ÄÁÏÁ¦Ñ§¡¢´óѧÎïÀíÖж¼ÓÐÌáµ½¡£
5Â¥2014-10-25 16:32:53
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] ÉúÎïѧµ÷¼Á +8 Ö½ÉÈzhishan 2026-04-13 8/400 2026-04-15 14:27 by woshi0655
[¿¼ÑÐ] 0854µ÷¼Á +13 ³¤¹­°Á 2026-04-12 16/800 2026-04-15 13:45 by fenglj492
[¿¼ÑÐ] ²ÄÁÏÀà284µ÷¼Á +43 Ïë»»ÊÖ»ú²»Ïë½âÊ 2026-04-08 51/2550 2026-04-15 12:54 by Î÷±±Íû¡ª·çɳ
[¿¼ÑÐ] Çóµ÷¼ÁѧУ +13 ²»»á³ÔÈâ 2026-04-13 15/750 2026-04-15 12:49 by Î÷±±Íû¡ª·çɳ
[¿¼ÑÐ] ҩѧÇóµ÷¼Á +10 RussHu 2026-04-12 12/600 2026-04-15 12:02 by zhping515
[¿¼ÑÐ] 085400µç×ÓÐÅÏ¢Àࣨ´¨´ó¿ØÖƹ¤³Ì£©Çóµ÷¼Á¿É¿çרҵ ÇóÀÏʦÁªÏµ +6 626776879 2026-04-08 6/300 2026-04-14 20:09 by gwjxiaolang
[¿¼ÑÐ] ¿ÒÇëÓÐѧУÊÕÁô +3 ¿Â»´È» 2026-04-12 3/150 2026-04-14 16:25 by ÄæË®³Ë·ç
[¿¼ÑÐ] 071000ÉúÎïѧµ÷¼ÁÇóÖú +18 zzzzwww 2026-04-09 21/1050 2026-04-14 15:39 by zs92450
[¿¼ÑÐ] ¿¼ÑжþÂÖµ÷¼Á +10 ¹ÊÈË?? 2026-04-09 10/500 2026-04-13 09:55 by szhize
[¿¼ÑÐ] 314Çóµ÷¼Á +24 wakeluofu 2026-04-09 25/1250 2026-04-13 08:58 by lhj2009
[¿¼ÑÐ] Ò»Ö¾Ô¸Õã´óÉúÎï325·ÖÇóµ÷¼Á +9 zysheng 2026-04-12 9/450 2026-04-12 22:31 by yuyin1233
[¿¼ÑÐ] 296Çóµ÷¼Á +14 Íô£¡£¿£¡ 2026-04-10 16/800 2026-04-12 10:48 by zhouyuwinner
[¿¼ÑÐ] 280Çóµ÷¼Á +7 ÙâÙâÒ¹Ò¹ 2026-04-09 10/500 2026-04-12 00:33 by À¶ÔÆË¼Óê
[¿¼ÑÐ] 277 ÊýÒ»104£¬Ñ§Ë¶£¬Çóµ÷¼Á +21 Æ¿×ÓPZ 2026-04-09 23/1150 2026-04-11 23:12 by labixiaoqiao
[¿¼ÑÐ] 284Çóµ÷¼Á +11 archer.. 2026-04-09 12/600 2026-04-11 20:23 by À¶ÔÆË¼Óê
[¿¼ÑÐ] 288Çóµ÷¼Á +15 ´úfish 2026-04-09 16/800 2026-04-11 10:26 by wwj2530616
[¿¼ÑÐ] 282£¬Çóµ÷¼Á +12 jggshjkkm 2026-04-09 14/700 2026-04-11 09:39 by Öí»á·É
[¿¼ÑÐ] Çóµ÷¼Á +11 ôæôæÒ»ÊéÉú 2026-04-09 13/650 2026-04-10 10:27 by liuhuiying09
[¿¼ÑÐ] 314Çóµ÷¼Á +14 weltZeng 2026-04-09 14/700 2026-04-09 23:14 by wolf97
[¿¼ÑÐ] ¿¼Ñе÷¼Á-²ÄÁÏÀà-284 +28 Ïë»»ÊÖ»ú²»Ïë½âÊ 2026-04-08 28/1400 2026-04-09 20:08 by µ¹Êý321?
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û