PDF(245 KB)
Study on Sound Phase Control technique of Non-Damage Test of Concrete Cutoff Wall Quality
CHANG Xiang-qian;PAN Shu;ZHAO Shou-gang;QIAO Hui-zhong
Yellow River ›› 2007, Vol. 29 ›› Issue (12) : 74-74.
PDF(245 KB)
PDF(245 KB)
Study on Sound Phase Control technique of Non-Damage Test of Concrete Cutoff Wall Quality
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