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。...
脸部的略图a crude drawing of a face画一幅北美的略图.Outline a map of North America.当全部观测方向都已包括时, 略图就正确地表示出图形.When all observed directions have been included, the diagram will correctly represent the figure....
Inside, she was a maelstrom of churning emotions.她心中的情感似波涛汹涌，起伏不定。The canoe was tossed about in the maelstrom.独木舟在旋涡之中摇晃打转.The boat flipped and hurled its passengers into the maelstrom.这时,小船翻转过来,把上面的乘客都甩进了大漩涡之中....