coveringn.覆盖物adj.掩护的;掩盖的
covern.封面;盖子;套子;表面v.覆盖;涉及;包含;掩护;给…保险
covering projection覆盖射影
covered emplacement掩蔽部
cover-arch method套拱法
cover-net fishing掩网渔业
cover trade barrier变相贸易壁垒
cover against theft防盗保险
cover with plastics塑料包覆
cover left field.防守左外野
covering rice straw稻草覆盖
covered fuse-link包装熔丝片