骤下
1.Flavius Josephus who says, A wind from above was precipitated upon the earth;
2.An optimized operating scheme for the grate cooler with a cooling capacity of 1000t/d is given as follows: the proper air velocity under grate in QRC zone should be 1.0~1.5m/s; the one in C zone should be 0.5~0.75m/s;
