衬板、搅拌叶片均采用高硬度、高韧性的耐磨合金铸钢，使用寿命长。
Lining board, mixing blades adopts high hardness and high toughness wear-resistant steel and long service life.
本文研究了一种高韧性的耐磨合金钢。
A wear resisting alloy steel with high toughness has been studied.
本文介绍了该焊丝的研究成果，分析了硼、钛微合金化埋弧焊丝高韧性机理。
In this paper research results of the wire are presented and mechanisms of high toughness of b, Ti microalloyed submerged arc welding wire are analysed.
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