²é¿´: 349  |  »Ø¸´: 6
µ±Ç°Ö÷ÌâÒѾ­´æµµ¡£

sunhongyanljw

Òø³æ (СÓÐÃûÆø)

[½»Á÷] ÔÚ»¯¹¤µÄÎÄÏ×DgÊÇʲôÒâ˼

ÔÚ¿´ÎÄÏ×µÄʱºò¿´µ½Ò»¸ö²ÎÊýDg²»ÖªµÀÊÇʲôÒâ˼£¬ÊÇÔÚ»¯¹¤µÄÎÄÏ×Öз¢Ïֵģ¬Â鷳˵һÏÂÊÇʲôÒâA°¡?

[ Last edited by zzgyb on 2010-4-28 at 16:45 ]

» ²ÂÄãϲ»¶

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

dfq0730

ľ³æ (ÎÄ̳¾«Ó¢)

˳Ì츮¸®Òü

dg£º±¡±Ú¸Ö¹ÜÖ±¾¶
DG20£º±íʾ¹ÜÍ⾶Ϊ20MM
Dg diameter gong(ººÓïÆ´Òô¡°¹«¡±µÄÉùĸ) ÕâÏÂÄã¾ÍÃ÷°×ÁË,DgÊǹú²ú»õ£¬ÓÐÖйúÌØÉ«
http://qbar.qq.com/u2014402/19.htm
¿´ÕâÍøÒ³¾ÍÃ÷°×ÁË
»¹ÓÐÕâ¸ö
http://wenwen.soso.com/z/q112799144.htm
http://hi.baidu.com/chenzhen7987 ... 47c410972b43fa.html

[ Last edited by dfq0730 on 2009-8-12 at 13:19 ]
...
2Â¥2009-08-12 13:15:12
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

xiaodongde

ÖÁ×ðľ³æ (ÖøÃûдÊÖ)

geometric diameter
¼¸ºÎÖ±¾¶
¡°ÈκÎÈ˵ÄËÀÍöʹÎÒÊܵ½Ëðʧ£¬ÒòΪÎÒ°üÔÐÔÚÈËÀàÖ®ÖС£±ðÈ¥´òÌýÉ¥ÖÓΪ˭¶øÃù£¬Ëü¾ÍÊÇΪÄã¶øÃù¡£¡±
3Â¥2009-08-12 13:17:03
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

yzhou0501

½ð³æ (СÓÐÃûÆø)

DNÊÇDgµÄÏÖ´ú°æ¡£DgÏÖÔÚÃ²ËÆÒѾ­²»ÓÃÁË¡£

DN Dg ͨ³£ÓÃÀ´±íÊ¾Ë®ÃºÆø¹ÜµÄ¹Ü¾¶¡£
De  Í¨³£ÓÃÀ´±íʾËÜÁÏÀà¹ÜµÄ¹Ü¾¶¡£

The DN means nominal diameter of a pipe. The De means external diameter of a pipe.

DN Nominal diameter
De external diameter
4Â¥2009-08-12 13:21:58
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

sunhongyanljw

Òø³æ (СÓÐÃûÆø)

ÊÇÔÚÆøÏàÉ«Æ×Öеģ¬Ð´ÓÐÔØÆøµÄµØ·½³öÏֵIJÎÊýDgÊÇʲôÒâ˼
5Â¥2009-08-12 13:26:14
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ruenning

½ð³æ (ÕýʽдÊÖ)

¿´À´´ú±íµÄºÜ¶àÁË£¬ÄãÒª²»°ÑÔ­»°¸øÄùýÀ´£¬ÕâÑù´ó¼Ò¾ÍÖªµÀÊÇÄĸöÁË£¡£¡
6Â¥2009-08-12 14:09:06
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

sunhongyanljw

Òø³æ (СÓÐÃûÆø)

¾ÍÊÇÐ´ÔØÆøµÄDg±È½ÏС
7Â¥2009-08-12 15:54:44
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ sunhongyanljw µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 08¹¤¿Æ 320×Ü·Ö Çóµ÷¼Á +5 À滨çóÍí·ç 2026-03-17 5/250 2026-03-18 14:49 by haxia
[¿¼ÑÐ] 298-Ò»Ö¾Ô¸Öйúũҵ´óѧ-Çóµ÷¼Á +7 ÊÖ»úÓû§ 2026-03-17 7/350 2026-03-18 14:34 by vgtyfty
[¿¼ÑÐ] ²ÄÁÏר˶306Ó¢Ò»Êý¶þ +10 z1z2z3879 2026-03-16 13/650 2026-03-18 14:20 by 007_lilei
[¿¼ÑÐ] 312Çóµ÷¼Á +8 İå·Ï£ 2026-03-16 9/450 2026-03-18 12:39 by Linda Hu
[¿¼ÑÐ] ÉúÎïѧ071000 329·ÖÇóµ÷¼Á +3 ÎÒ°®ÉúÎïÉúÎﰮΠ2026-03-17 3/150 2026-03-18 10:12 by macy2011
[¿¼ÑÐ] 301Çóµ÷¼Á +9 yyÒªÉϰ¶Ñ½ 2026-03-17 9/450 2026-03-18 08:58 by Î޼ʵIJÝÔ­
[˶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] ¡¾0856¡¿»¯Ñ§¹¤³Ì£¨085602£©313 ·Ö£¬±¾¿ÆÑ§¿ÆÆÀ¹ÀAÀàԺУ»¯Ñ§¹¤³ÌÓ빤ÒÕ£¬³ÏÇóµ÷¼Á +7 СÁõ¿ì¿ìÉϰ¶ 2026-03-11 8/400 2026-03-17 16:57 by ruiyingmiao
[¿¼ÑÐ] Çóµ÷¼Á£¬×Ü·Ö315£¬¿¼µÄÉúÎïÒ½Ò©£¬Ò»Ö¾Ô¸ºþÄÏʦ·¶´óѧ¡£µ÷¼Áµ½ÈκÎרҵ¶¼¿ÉÒÔ +4 С¶¡Ïë½ø²½ 2026-03-11 5/250 2026-03-17 16:05 by ÍâÐÇÎÄÃ÷
[¿¼ÑÐ] 290Çóµ÷¼Á +6 ¿×Ö¾ºÆ 2026-03-12 11/550 2026-03-17 14:41 by ÖÜÖÛÖÛ77
[¿¼ÑÐ] 302Çóµ÷¼Á +4 С¼Öͬѧ123 2026-03-15 8/400 2026-03-17 10:33 by С¼Öͬѧ123
[¿¼ÑÐ] ÖпÆÔº²ÄÁÏ273Çóµ÷¼Á +4 yzydy 2026-03-15 4/200 2026-03-16 15:59 by Gaodh_82
[¿¼ÑÐ] 0856Çóµ÷¼Á +3 ÁõÃÎ΢ 2026-03-15 3/150 2026-03-16 10:00 by houyaoxu
[¿¼²©] ¶«»ªÀí¹¤´óѧ»¯²Äרҵ26½ì˶ʿ²©Ê¿ÉêÇë +6 zlingli 2026-03-13 6/300 2026-03-15 20:00 by ryzcf
[¿¼ÑÐ] 26¿¼ÑÐÒ»Ö¾Ô¸ÖйúʯÓÍ´óѧ(»ª¶«)305·ÖÇóµ÷¼Á +3 ¼ÎÄêÐÂ³Ì 2026-03-15 3/150 2026-03-15 13:58 by ¹þ¹þ¹þ¹þºÙºÙºÙ
[¿¼ÑÐ] 22408×Ü·Ö284Çóµ÷¼Á +3 InAspic 2026-03-13 3/150 2026-03-15 11:10 by zhq0425
[¿¼ÑÐ] 281Çóµ÷¼Á +9 Koxui 2026-03-12 11/550 2026-03-13 20:50 by Koxui
[¿¼ÑÐ] 0703»¯Ñ§Çóµ÷¼Á +7 Â̶¹ÇÛ²ËÌÀ 2026-03-12 7/350 2026-03-13 17:25 by njzyff
[¿¼ÑÐ] ²ÄÁÏר˶350 Çóµ÷¼Á +4 Íõ½ð¿Æ 2026-03-12 4/200 2026-03-13 16:02 by ruiyingmiao
[¿¼²©] ¸£ÖÝ´óѧÑî»ÆºÆ¿ÎÌâ×éÕÐÊÕ2026Äêרҵѧλ²©Ê¿Ñо¿Éú£¬2026.03.20½ØÖ¹ +3 Xiangyu_ou 2026-03-12 3/150 2026-03-13 09:36 by duanwu655
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û