粒砂本名王志安,汉族,1971年出生,河北省临西县人,现居邢台市。河北省作家协会会员,邢台广播电视台记者。
看到一粒砂里有一世界。
本文研究了粗粒砂胶结充填砂仓的结构及其卸料方法。
The structure of sand storage silo for the use of coarse sand cemented fill and its pulp discharge method have been studied in this paper.
自然堆积的灰质鲕粒砂具有40%的孔隙度,因为其颗粒其本上都是球状的。
Oolite lime sand packs naturally with 40 % porosity because the particles are essentially spheroides.
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