在钢材上的冲击压力达到3,500个大气压。
The impact pressure on the steel is about 3,500 atmospheres.
建议在钢材多层焊时使用脉冲电弧焊，也适合于炉焊。
For multilayer welding on steel, pulsed arc welding is recommended-also appropriate for oven soldering.
我们的活动是多种多样的，但它们主要集中在钢材加工。
Our activities are varied, but they are mainly focused on steel processing.
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