One arc furnace with capacity of 180 tons is under construction now.It will produce 1 million 300 thousand tons of steel a year. 600 employees are working here.It will be launched in spring 2012.
一个容量180吨的电弧炉正在建设中，它一年将生产一百三十万吨钢铁，有600个工人在这里工作，它将落成于2012年的春天。
This paper introduces the structure and working principle of LEM current sensors and their application in the development of inverters for arc welding.
本文介绍LEM电流传感器的结构，工作原理及其在弧焊逆变器研究中的应用。
The working profile of arc surfaced indexing CAM is quite difficult to be protracted by the conventional drafting method.
弧面分度凸轮的工作廓面很难用常规的制图方法绘制。
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