... 含铌钢 Nb-containing steel 含硼钢 boron containing steel 含硼微合金钢 boron bearing microalloyed steel ...
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steel containing boron 含硼钢
boron containing steel
含硼钢
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The investigation of effects of rare-earth yttrium and boron, which are in the 3.5% nickel-containing steel welding electrode on low temperature toughness has been carried out.
对含镍3．5％低温钢手工电焊条配方中稀土钇与硼的作用进行了试验研究。
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