它们由黄铜、钢或轻质合金制成，且通过滚子引导。
They are made from brass, steel or light alloy, and they are guided on the rollers.
轻质合金的高能密度焊接是当今世界焊接工艺研究的热点。
The high-energy density welding about lightweight alloy is the hotspot of world welding craft research.
可以在收货状态或热处理状态下对轻质合金薄板进行成形操作。
You can form light-alloy sheet in either its as received condition or heat treated condition.
应用推荐