双语例句
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Mainly its metallographic structure consists of acicular ferrite and martensite.
钢的组织主要由针状铁素体和马氏体两相组成。
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The microstructure is composed of acicular ferrite and a little proeutectoid ferrite.
熔敷金属组织主要是针状铁素体，少量的先共析铁素体。
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Spheroidal austenite and acicular austenite can be seen during the austenitizing courses at low speed.
慢速加热奥氏体化过程中，观察到球状奥氏体和针状奥氏体。
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