alloy: n.1.合金。2.(合金中的)劣等金属。3.(金银的)成色，成份。4.〔比喻〕搀杂品。短语和例子Brass is an alloy of copper and zinc. 黄铜是铜和锌的合金。 pleasure without alloy 玩得痛快。vt.1.合铸，熔合(金属)。2.在…中搀以杂质；使(金属)减低成色。3.减损(兴趣等)。vi.熔合，搀。
The effect of heat treatment on structure and hardness of high alloy iron - based hardfacing layer metal was studied and the result obtained is of guiding significance for it ' s application 摘要研究了热处理对高合金铁基堆焊层组织和硬度的影响，所得结果对其应用有一定的指导意义。
