coverlidn.床罩
covern.封面;盖子;套子;表面v.覆盖;涉及;包含;掩护;给…保险
cover one's traces科尔博谢罗
covering of piping管道覆盖层
covering frequency覆盖频率
covers cultivation覆盖栽培
Covering with film地膜
coverlng algorithm覆盖算法
cover one's tracks掩藏踪迹或证据
coverglass forceps盖片钳
cover a wide field涉及范围很广
cover-spark plug外火花塞