利用石墨煤增碳的炼钢技术,工艺简单可行, 增碳稳定, 应用广泛.This technical process is simple, carburization is stable, application is widely.对于药芯焊丝,增碳的门槛值在0.05%左右.The critical value of carbon increasing for FCW is about 0.05 %.添增碳粉 、 或者调换硒鼓中部制卡和会员卡...
Bunn has the experience, is also the better team defense.布恩更有经验, 也是更好的团队防守者.Bunn restores from the heart acceleration, already joined the entire unit training.布恩从心脏加速中恢复, 已经加入全队训练....