Nkhani
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Mndandanda wa Mitengo Yapaipi Yowonjezera Yachitsulo ya ERW 01-14-2020
API 5L GR.B/ASTM A53 GR.B (PIPE WOTSWIRITSA NTCHITO YA ERW) Kunja Kwa Mpanda Wapa Khoma FOB TIANJIN Kunenepa Kwakunja Kwa Khoma FOB TIANJIN 外径 (mm) 壁厚 (mm) 离 USD港仯价 离 USD港仯/TON Q235B Q345B 外径 (mm) 壁厚 (mm) Q235B Q345B 245, 273 5.0-9.28 565.67 610.31 450,...Werengani zambiri -
Mndandanda wa Mitengo Yapaipi Yachitsulo Yaing'ono ya SSAW 01-14-2020
API 5L/ASTM A53 GR.B, CARBON STEEL, SSAW STEEL PIPE FOB TIANJIN USD/TON Kunja Diameter 外径 (mm) 219 273 324 356 406 457 508 610 711 355 5 Thick55 5 Thick55 5 Thick55 5 6 556 556 556 556 556 561 561 561 561 壁厚 (mm) 7 556 556 556 556 556 556 556 556 561 561 561 561 ...Werengani zambiri -
Mndandanda wa Mitengo Yapaipi Yaing'ono Yachitsulo Yopanda Zitsulo 01-14-2020
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Mndandanda wa Mitengo Yapaipi Yachitsulo Yaing'ono ya LSAW 01-14-2020
API 5L GR.B/ASTM A53 GR.B, CARBON STEEL, LSAW zitsulo PIPE FOB TIANJIN Kunja Diameter 外径 (mm) USD/TON 406 457 508 609.6 711.1 762 812 6 68 68 68 68 68 68 68 68 68 662 667 667 Makulidwe 9.53 636 655 662 642 647 642 647 647 壁厚 (mm) 10 636 623 629 642 647 642 647 647 12...Werengani zambiri -
Chophimba chamafuta ndiye njira yoyendetsera mafuta ndikuyenda
Chitoliro chapadera chamafuta chimagwiritsidwa ntchito pobowola zitsime zamafuta ndi gasi komanso kunyamula mafuta ndi gasi.Zimaphatikizapo chitoliro chobowola mafuta, chosungira mafuta, ndi chitoliro cha sucker.Chitoliro chobowola mafuta chimagwiritsidwa ntchito makamaka kulumikiza kolala yobowola ndi kubowola pang'ono ndikutumiza mphamvu yobowola.Chosungira mafuta makamaka ...Werengani zambiri -
Kodi magulu a mapaipi azitsulo zosapanga dzimbiri amachokera kuti?
Kodi mipope ya zitsulo zosapanga dzimbiri imachokera kuti? M'mapaipi osapanga dzimbiri, zitsulo zomwe sizingawonongeke ndi dzimbiri ndi zida zowononga pang'onopang'ono monga mpweya, nthunzi, madzi, ndi zinthu zowononga mankhwala monga asidi, alkali, ndi mchere. amatchedwa chitsulo chosapanga dzimbiri chosapanga asidi ...Werengani zambiri