使表面硬化 faceharden ; caseharden ; face-harden
使完全硬化 harden right out
使硬水软化 soften hard water
并使用肾小球硬化指数 glomerulosclerosis index ; GSI
混凝土膨胀剂的功能是使硬化后的混凝土产生一定的体积膨胀，抵销混凝土硬化早期产生的体积收缩。
Concrete expansion function is to produce a certain volume expansion after concrete hardening of concrete to eliminate concrete early hardening volume contraction.
有些人认为硬化的灰铸铁过去曾使零件很容易腐朽老化(因为经过数百万次的应力反向处理后的金属零件最后都会这样)。
Some believe that the hardened gray iron used to make the components simply "fatigues" with age-as metal parts that go through millions of stress reversals eventually do.
高温使陶土硬化。
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