久久久国产精品_亚洲春色在线视频_网禁拗女稀缺资源在线观看_国产一区二区三区影院_久久人人爽天天玩人人妻精品

整體塞棒主要用于中間包,通過控制塞棒頭部至中間包水口的位置來調節進入結晶器的鋼水流量,還可通過吹氬以防止水口堵塞。本公司生產的整體塞棒具有熱震性好、抗侵蝕能力強和強度高等特點。

The monobolck stopper is mainly used for the tundishser ving the function of opening-closure to the position fromthe stopper head to the tundish nozzle and so regulate theflow ofmolten steel going in to the mould , still have thefunction of preventing the nozzle from blocking by blowingargon to thetundish nozzles The monoblock stopper producedby the company is characterize dby higher thermal shockresistance , erosion resistance and high strength.