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cover to reinforcement钢筋保护层covered floor moulding盖箱地面造型coversational language会话语言covergent electron gun收敛式电子枪covering path property覆盖道路性质covered defect portion覆盖缺陷部分cover-type preheated覆盖式预热Cover up for relatives亲亲相隐covered back-digging盖挖逆作covering of top roller上罗拉涂层