通过对21个灰砂蒸压加气混凝土砌体试件受压变形性能的试验研究，分析了其受压破坏现象及机理，并与其他砌体进行了对比。
Based on compressive deformation experiments of 21 pieces of sand-lime-AAC(SLAAC) masonry, this paper analyses their failure mechanism, and compares it with other masonries.
蓬莱镇组气藏是川西北地区新场气田成组气藏中的主力气藏，加砂压裂改造储层取得重大进展。
Gas reservoirs situated in Penglaizhen sector are major ones in northwest area, reservoir improvements make significant development by sand fracturing.
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