无覆盖层的, 无覆盖的, 未涂层的, 无磁层的的英文

uncoated

• 无:    not have; there is ...
• 覆盖层:    overburden; supers ...
• 的:    4次方是 The fourth po ...
• 覆盖:    cover; overlap
• 未:    did not; have not
• 涂层:    paint-coat; paintc ...
• 磁层:    magnetic layer; ma ...