In practice, however, Air Force One is used to refer to one of two highly customized Boeing 747-200B series aircraft, which carry the tail codes 28000 and 29000.
Screening and dust tail and sinter screen, belt transport system, configuration GGD series of belt power counters 2 surface at the same low voltage power distribution room.
机尾及筛分除尘与烧结矿筛分，皮带转运系统，配置GGD系列皮带电源柜2面；同样置于低压配电室。
3
Some statistical test methods on "fat tail" distribution of time series are obtained by using properties of extreme value theory and extreme index estimator under large sample.