±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 1300  |  »Ø¸´: 9
±¾Ìû²úÉú 1 ¸ö ·­ÒëEPI £¬µã»÷ÕâÀï½øÐв鿴
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

ľ×ÓÖÐÒ»±´

Òø³æ (СÓÐÃûÆø)

[ÇóÖú] ¡¾ÇóÖú·­ÒëÕªÒª¡¿£¬¹ØÓÚ»»ÈÈÆ÷ÊýֵģÄâ·½ÃæµÄ£¬Ð»Ð»£¡

ÕªÒª£º²ÉÓüò»¯µÄ¶þά²¨ÎƹÜÄ£ÐÍÑо¿ÁËÏàͬµ±Á¿Ö±¾¶¶ø²¨·ùºÍ²¨¾à²»Í¬µÄ8ÖÖ¹ÜÐ͵ÄÕýÏÒ²¨Îƹܣ¬ÒÔ³£ÎÂÏÂˮΪ¹¤ÖÊ£¬Ä£ÄâÁ˲»Í¬À×ŵÊýÏ»»ÈÈÇé¿ö¡£Ñо¿±íÃ÷£¬²¨Îƹܲ¨·ù¶Ô²¨Îƹܻ»ÈÈÓ°ÏìÏÔÖø£¬¶ø²¨¾à¶Ô²¨Îƹܻ»ÈÈÓ°Ïì²»ÏÔÖø£¬²¢Óó¡Ð­Í¬Ô­Àí·ÖÎöÆäÔ­Òò¡£½øÒ»²½¿¼ÂDz¨·ùÓ벨¾àµÄ±ÈÖµ¦Î£¬½á¹ûÏÔʾ¦Î=0.25-0.30Ö®¼äµÄ²¨ÎƹܹÜÐÍ»»ÈÈÁ¿½Ï´ó¡£Í¬Ê±Ä£ÄâÁ˲»Í¬À×ŵÊýϲ¨ÎƹܵÄ×ۺϻ»ÈÈÐÔÄÜPEC¡£½á¹û±íÃ÷£¬À×ŵÊý½ÏСʱ²¨ÎƹܵÄ×ۺϻ»ÈÈÐÔÄÜPEC½ÏС£¬ÉõÖÁСÓÚ1£¬¶øÔڽϸßÀ×ŵÊýÏÂÄ£ÄâµÄ½á¹ûÖÐ×î´óµÄPECÄÜ´ïµ½1.3×óÓÒ¡£Í¨¹ýÊýÖµ¼ÆËãµÃµ½ÁËÕýÏÒ²¨ÎƹÜÇ¿»¯´«ÈȵÄ×îÓŽṹÒÔ¼°×î¼Ñ´«ÈÈÀ×ŵÊý·¶Î§¡£

» ²ÂÄãϲ»¶

Ï໥½»Á÷
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

Ðľ²_ÒÀÈ»

°æÖ÷ (ÖªÃû×÷¼Ò)

ÃüÖСù×¢¶¨

ÓÅÐã°æÖ÷ÓÅÐã°æÖ÷

ÒýÓûØÌû:
2Â¥: Originally posted by ÂÛÎÄ·¶Òë at 2015-01-08 16:03:36
ÄãÏȰÑËùÓеÄÊõÓï²é³öÀ´È»ºóÎÒ°ïÄã·­Òë,,

ÄãµÁ°æÎÒÍ·Ïñ¸ÉÂï
²»Íü³õÐÄ......
4Â¥2015-01-08 16:16:53
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 10 ¸ö»Ø´ð

ÂÛÎÄ·¶Òë

гæ (³õÈëÎÄ̳)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

ÄãÏȰÑËùÓеÄÊõÓï²é³öÀ´È»ºóÎÒ°ïÄã·­Òë,,
²»·ÅÆú²Å»áÓÐÖ»ÓÐÏ£Íû......
2Â¥2015-01-08 16:03:36
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ľ×ÓÖÐÒ»±´

Òø³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
2Â¥: Originally posted by ÂÛÎÄ·¶Òë at 2015-01-08 16:03:36
ÄãÏȰÑËùÓеÄÊõÓï²é³öÀ´È»ºóÎÒ°ïÄã·­Òë,,

¶þά£º2D£»²¨ÎÆ¹Ü corrugated tubes£»ÕýÏÒ²¨ÎƹÜ;sinusosidal corrugated tubes;²¨·ùwave height£»²¨¾à£ºwave heightÁË£»À×ŵÊý£ºRe£»³¡Ð­Í¬£ºThe field synergy principle£»µ±Á¿Ö±¾¶£ºequivalent diameter
.²î²»¶àÁ˰É
Ï໥½»Á÷
3Â¥2015-01-08 16:15:17
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ľ×ÓÖÐÒ»±´

Òø³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
4Â¥: Originally posted by Ðľ²_ÒÀÈ» at 2015-01-08 16:16:53
ÄãµÁ°æÎÒÍ·Ïñ¸ÉÂï...

´óÉñ£¬Äã»á·­ÒëÂ𣿼±Ç󣬷dz£¸Ðл
Ï໥½»Á÷
5Â¥2015-01-08 16:19:32
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] ÉúÎïѧ308·ÖÇóµ÷¼Á£¨Ò»Ö¾Ô¸»ª¶«Ê¦´ó£© +7 ÏàÐűػá¹ââÍòÕ 2026-04-02 7/350 2026-04-03 16:48 by rzh123456
[¿¼ÑÐ] 280Çóµ÷¼Á +17 ¹¾ààÏþÏþ 2026-04-02 18/900 2026-04-03 15:03 by hypershenger
[¿¼ÑÐ] »úеר˶297 +3 Afksy 2026-04-03 3/150 2026-04-03 14:24 by 1753564080
[¿¼ÑÐ] ¹¤¿Æ341·Öµ÷¼Á +3 Âå¶àÂÞ 2026-04-03 3/150 2026-04-03 14:20 by 1753564080
[¿¼ÑÐ] 309Çóµ÷¼Á +4 ÁõÁõÁõ1231 2026-04-02 5/250 2026-04-03 12:04 by 1753564080
[¿¼ÑÐ] ÖØÇì´óѧ²ÄÁÏÓ뻯¹¤085600£¬³õÊÔ370+£¬ÇóÇóµ÷¼Á½¨Òé +8 shzhou_ 2026-04-01 9/450 2026-04-03 09:31 by À¶ÔÆË¼Óê
[¿¼ÑÐ] Çóµ÷¼Á22408 288·Ö +5 new382 2026-04-02 5/250 2026-04-03 09:13 by ×íÔÚ·çÀï
[¿¼ÑÐ] µ÷¼Á +7 ìíáº. 2026-04-02 7/350 2026-04-03 09:11 by »¨ß»¹Ç·600
[¿¼ÑÐ] µ÷¼Á +3 ºÃºÃ¶ÁÊé¡£ 2026-04-01 6/300 2026-04-02 15:49 by liumengping
[¿¼ÑÐ] 261ÇóBÇøµ÷¼Á +5 Ã÷×С¤ 2026-04-01 7/350 2026-04-02 11:17 by ×Þξξ
[¿¼ÑÐ] Ò»Ö¾Ô¸9³õÊÔ366 ±¾Ë«·ÇÇóµ÷¼Á +4 ÔËÆøÀ´µÃÈôÓÐËÆÎ 2026-04-02 4/200 2026-04-02 09:56 by guanxin1001
[¿¼ÑÐ] 302Çóµ÷¼ÁÒ»Ö¾Ô¸±±º½070300£¬±¾¿ÆÖ£´ó»¯Ñ§ +8 Ê¥ÈÕ¶úÂüÌõ 2026-04-01 11/550 2026-04-02 07:40 by chemdavid
[¿¼ÑÐ] ²ÄÁϵ÷¼Á +11 Ò»ÑùYWY 2026-03-31 11/550 2026-04-01 22:25 by zhouyuwinner
[¿¼ÑÐ] 307·ÖÇóµ÷¼Á +14 (o~o) 2026-03-31 15/750 2026-04-01 20:43 by longlotian
[¿¼ÑÐ] Ò»Ö¾Ô¸ ÄϾ©º½¿Õº½Ìì´óѧ £¬080500²ÄÁÏ¿ÆÑ§Ó빤³Ìѧ˶ +10 @taotao 2026-03-31 11/550 2026-04-01 09:43 by xiayizhi
[¿¼ÑÐ] Ò»Ö¾Ô¸±±¾©¿Æ¼¼´óѧ085601²ÄÁϹ¤³ÌÓ¢Ò»Êý¶þ³õÊÔ×Ü·Ö335Çóµ÷¼Á +5 Ë«ÂíβƦÀϰå2 2026-03-31 5/250 2026-04-01 09:04 by oooqiao
[¿¼ÑÐ] Çóµ÷¼Á£º085600²ÄÁÏÓ뻯¹¤£¬¿¼²Ä¿Æ»ù£¬×Ü·Ö319 +17 678lucky 2026-03-31 21/1050 2026-04-01 01:40 by 1018329917
[¿¼ÑÐ] 085404 22408 315·Ö +5 zhuangyan123 2026-03-31 6/300 2026-03-31 13:48 by limeifeng
[¿¼ÑÐ] 085701Çóµ÷¼Á³õÊÔ286·Ö +5 secret0328 2026-03-28 5/250 2026-03-30 12:54 by fangnagu
[¿¼ÑÐ] µ÷¼Á¿¼ÑÐ +3 Íõ½ÜÒ» 2026-03-29 3/150 2026-03-29 08:09 by fmesaito
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û