coverlidn.床罩
covern.封面;盖子;套子;表面v.覆盖;涉及;包含;掩护;给…保险
coverplate stress盖板受力
covered structure覆盖结构
covered agreement适用协议
coversing economy转轨经济
cover feed finger推盖杆
covering membrane滴灌
coversion program转换程序
covering document说明书
Covered with film地膜覆盖
cover up the news把消息隐瞒起来