So it is very important to study the parameters of the pass and techniques for the spread of the wing plate steel.
为此，定量研究孔型和工艺参数对翼板钢宽展的影响十分重要。
They welded a steel plate onto the plane's damaged wing.
他们把一块钢板焊接到损坏的机翼上。
The top of the composite beam is a reinforced concrete wing plate and a profiling steel plate.
组合梁上部为钢筋混凝土翼板及压型钢板。
The top of the composite beam is a reinforced concrete wing plate and a profiling steel plate.
组合梁上部为钢筋混凝土翼板及压型钢板。
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