本文介绍了钻孔灌注桩施工中的一种新设备。
The paper introduced one of new construction equipment that drilled filling pile.
为此对国内外近年来冷轧电工钢生产的新工艺、新设备进行了较全面的介绍。
New technique and equipment of cold rolled electric steel in china have been introduced.
为此对国内外近年来冷轧电工钢生产的新工艺、新设备进行了较全面的介绍。
New technique and equipment of cold rolled electric steel in china have been introduced.
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