我打了个寒战，用围巾把脖子围得更紧了。I shivered and pulled my scarf more tightly round my neck.他用绳子把那个圈围了起来。He used a rope to mark off the circle.阿富汗空军正用直升机向被围城镇提供补给。The Afghan air force was using helicopters to supply the besieged town....
片麻岩, 变质岩, 可以发现,在常见的前寒武纪地区.Gneiss, a metamorphic rock, can be commonly found in Precambrian areas.王家崴子金矿床赋存于辽南古元古代浅变质岩系中.Wangjiawaizi gold deposit occurs in Lower Proterozoic opimetamorphic rock series.变质岩类型: 区域变质 、 接触变质和...
而密度较大的示踪颗粒则只会沿着布风板滚到排渣口处停住.Oppositely heavier or high - density particles just rolled along the air distributor plate until arriving the exit.本文分别研究了∧形和V形布风板内循环流化床颗粒相流化特性.The flow behavior of particles in fluidized bed w...