At last, the mechanism of blasting-dust control by prewetting demolished buildings is analyzed, that is, liquid-bridging指出水预湿被爆体降尘法的机理是：尘粒间的液桥力促使润湿尘流中的尘拉变大，变大的尘杜迅速下降，从而实现降低爆尘目的。
EFFECTS OF AIR-DRYING AND REWETTING ON PHYSICO-CHEMICAL PROPERTIES AND MICROBIAL ACTIVITY OF DESERT GREY SOIL干湿处理对灰漠土土壤理化性质及微生物活性的影响