A groove inside the end of a barrel or cask into which the head is set.
A groove inside the end of a barrel or cask into which the head is set.
桶板槽一种刻在木桶边板两端装端板用的槽
A groove inside the end of a barrel or cask into which the head is set.
桶板槽一种刻在木桶边板两端装端板用的槽