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...
Inoculating effects of the inoculant have been evaluated by experiments of section sensitiveness and inoculation fading.通过断面均匀性试验和孕育衰退试验检验了多元复合孕育的效果.The influence of SG inoculant on graphitizing annealing of malleable ca...
Pug rubbed a hand over his grimy stubby face.帕格伸手摸了摸他那肮脏的、胡子拉茬的脸.He nodded and puffed on a stubby pipe as he listened.他边听边点头，还吸着一支粗短的烟斗。He pointed a stubby finger at a wooden chair opposite him.他伸出一根粗短的手指指向他对面的一把木椅。He sp...