alloy steel tube是什么意思 alloy steel tube怎么读
alloy steel tube的用法和样例
- The mechanical properties of carbon and low alloysteel tubes produced in this way can be reached to that of tubes of some normalized alloy steels.
其碳素及普通低合金钢管的力学性能可达到部分调质热处理后的合金钢管水平。
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