研究了在熔模精密铸造中过滤净化碳钢、低合金钢和高合金钢等铸钢件的过滤新技术。
A new filtration technique for purification of carbon, stainless, high speed, low and high alloy steel castings in investment casting was investigated.
指出辊模拔制合金钢棒材比辊模拔丝更能发挥其优越性，并提出了辊模和固定模串联组合的新工艺。
It is pointed out that roller dies are more suitable for drawing alloy steel rods than for drawing wire and thread.
指出辊模拔制合金钢棒材比辊模拔丝更能发挥其优越性，并提出了辊模和固定模串联组合的新工艺。
It is pointed out that roller dies are more suitable for drawing alloy steel rods than for drawing wire and thread.
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