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1.R esults show that the modified cement with good durability, small expansion and low alkality can be made by use of gypsum and zeolite modifying alumina cement.

1.以石膏和沸石对高,可制出耐好、具有微膨胀的低碱度改

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hygrogram, hygrograph, hygro-instability, hygrokinematics, hygrokinesis, hygrol, hygroline, hygrology, hygroma, hy-groma,

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3G, 401(K), a,

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