This seam of coal reposes on a layer of clay.这个煤层处于一层黏土岩之上.A new method for seam tracking using image centroid in gas tungsten arc welding is presented.研究一种基于图像质心识别的电弧焊焊缝跟踪新方法.The crack in the coal seam is divided into t...
The average UK coal seam is one metre thick.英国煤层的平均厚度为1米。Tack them together with a 1.5 cm seam.用1.5厘米的针脚将它们暂时缝上。Use vinyl seam adhesive where vinyls overlap.塑料布相叠处用塑料封口胶粘起来。...
When a drug permeates a cell, it must obviously traverse the cellular plasma membrane.当药物透过细胞时, 它显然必定要穿过胞浆膜.But can you traverse the stream?可是,你能闯过那车的洪流、人的洪流 吗 ?We traverse the desert by truck.我们乘卡车横穿沙漠.He cut his teeth ...
Grain intercrop area amounts to many mus 200.粮间作面积达200多万亩.Intercrop Association of several crops on the same field at the same time.作物:同时在同一地块上种植的多种作物的集合.Authors of the paper consider it feasible to intercrop maize and a...