胀珍珠岩骨料 calcined expanded aggregate: 煅烧膨胀骨料expanded aggregate concrete: 膨胀骨科混凝土; 膨胀骨料混凝土; 膨胀性骨料混凝土; 膨胀性集料混凝土expanded clay aggregate: 烧胀粘土骨料expanded perlite aggregate: 膨胀珍珠岩骨科; 膨胀珍珠岩骨料expanded slag aggregate: 膨胀矿渣集料下载手机词典可随时随地查词查翻译