The groove shapes, welding methods, filling materials, procedure parameters and concrete welding sequence are provided.

给出了这些管段焊口的坡口形式、焊接方法、焊接材料、焊接工艺参数及实焊工艺程序。

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But among the tasks the machine can perform in a single step are edge detection, inversion, the identification of lines and shapes of different orientations, and the filling-in of concave shapes all things that are useful in image-processing, and not all of which can be managed by digital technology.

ECONOMIST: Analogue computing