因为沉积作用是快速的, 分选作用和层理就得不到很好的发展.Because deposition is rapid, sorting and stratification are generally not well developed.轻的籽粒可以通过空气动力,即气流分选机清理出来.Light kernels may be removed by a pneumatic or air seperator.砂粒在波浪分选作用下从粉砂及粘土中...
他用一块烧红的烙铁烧灼伤口。He cauterized the wound with a piece of red-hot iron.现在这种时候, 需要的不是有说服力的论理, 而是炽热的烙铁.At a time like this, scorching iron , not convincing argument, is needed.配金属烙铁座 ( 936A ) 或塑料烙铁座 ( 936C ) 及高温海棉.A sponge wit...
Rare Earths Group of South and North in Miscarry Now?南北稀土集团就这样流产了 吗 ?An iron case will keep the Earths field away from the compass.铁箱能使地球磁场不受指南针的影响.Belts of mountains are cause by movements in the earths crust.山丘带是由地壳移动而...