jackstone

基本解釋

• n.一種拋石；拋石

同根派生

• jackstone相關(guān)詞

英漢例句

• Keywords concealed engineering;quality detection and evaluation;underwater jackstone;anti-seepage wall;ground penetrating radar （GPR）;underwater detection;electromagnetic wave;imaging;
  隱蔽工程;質(zhì)檢評(píng)價(jià);水下拋石;防滲牆;地質(zhì)雷達(dá);水底探測(cè);電磁波;成像;

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