at a loose end
【化】 粉末炭黑
loose black
暂无补充释义。
相关词条
loose-leaf
loose
filter cartridge loose filtering material
a loose fish
abrasive material, loose
loose
loose body
loose black
暂无补充释义。
at a loose end
loose-leaf
loose
filter cartridge loose filtering material
a loose fish
abrasive material, loose
loose
loose body