炉料下降速度
speed of material descent
descent velocity of burden
多管下降炉
multi-heater bridg man furnace
高炉炉料结构
charge structure of blast furnace
炉料料位记录器
furnace charge level recorder
偶氮染料Procion Red MX-5B的降解
Photodegradation of procion Red MX-5B
无粘结钢筋的下料长度计算
calculation of baiting length of reinforcement without bond
地形的下降进化
descending evolution of relief
睾丸下降的恶性肿瘤
Malignant neoplasm of descended testis