jackstone

常見例句

• 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)檢評價;水下拋石;防滲牆;地質(zhì)雷達;水底探測;電磁波;成像;
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