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金融商科辅导
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Thursday, May 23, 2013
Quantity : 1000 - Price : à partir de 9000€
Guangzhou SenChuang Digital Video Equipment Development (group) Co.Ltd est une entreprise spécialisée dans la recherche et la production d'équipements de loisirs. L'entreprise a été fondée en 1993 et est basée à Canton dans le...
Monday, September 13, 2010
Guangzhou Blue Power Electronic Factory is a professional phone accessories manufacturer .We are in the line of travel charger , car charger , universal charger , multifunctional charger , mp3 /mp4 earphone and mobile phone earphone /hands free . We are OEM & ODM factory for 7 years ...
Saturday, June 22, 2024
Quantity : 5000ton
In the multi-wire submerged arc welding of straight seam welded , several key parameters significantly influence the welding process: welding current, arc voltage, and welding speed. Increasing the welding current of all wires results in higher reinforcement of the weld seam, with...