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。...
I have endeavoured to give in their briefest outline the reasons for my disaffection.我已经尽力简短地说明了我产生不满情绪的原因.He had, for the absolute briefest time , let wishful thinking about results overrule his scientific caution.有那么一瞬...
他坐下来，在咖啡中加糖并搅拌。He sat down and sugared and stirred his coffee.“不加糖，”我说道。吉姆则要了两块。"No sugar," I said, and Jim asked for two lumps.一杯加糖热茶a cup of hot sweet tea...