Coverca科韦尔卡
covern.封面;盖子;套子;表面v.覆盖;涉及;包含;掩护;给…保险
cover rubber覆盖橡皮
covered ramp廊式旋梯
covered pipe保温管
cover memory掩蔽记忆
cover gender隐性
cover dentin[医] 罩牙[本]质
covered anus隐肛
covered smut坚黑穗病
covered beam暗梁
cover system封顶系统