jackstone

基本解释

• n.一种抛石；抛石

同根派生

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英汉例句

• Keywords concealed engineering;quality detection and evaluation;underwater jackstone;anti-seepage wall;ground penetrating radar （GPR）;underwater detection;electromagnetic wave;imaging;
  隐蔽工程;质检评价;水下抛石;防渗墙;地质雷达;水底探测;电磁波;成像;

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