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词汇
剛石
释义
剛石
gāng shí
矿物,氧化铝的结晶体。有玻璃光泽。红色透明的叫红宝石,绿色透明的叫绿宝石,是贵重的装饰品。一种矿物。为三氧化二铝的结晶体,有玻璃光泽,是贵重的装饰品,如红宝石和蓝宝石。亦可做钟表或其他精密仪器上的轴承,质地较差的,可研成粉末用做研磨剂。分布于火成岩及变质岩。也称为「刚玉」。
刚石
随便看
water-stability
water stability detritus
water stability performance
water stability property
water stability quality of pellet feed
water stability test
water stabilization
water-stabilized layer
water stable aggregate
water-stable aggregate
water stable aggregates
water-stable aggregates
water-stable aggregates analysis instrument
water stable aggregate structure
water-stable debris
water-stable gravel
water-stable macadam base
water-stable macadam foundation
water stable rock
water-stable sand-gravel
water-stable soil aggregates
water stage
water-stage
water stage fluctuation
water-stage gage
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更新时间:2025/11/23 0:01:01