Counterbore
(用平底扩孔钻)扩孔［锪孔, 镗孔, 镗阶梯孔］, 沉孔, 埋头孔
🔁 扩展释义
【化】 埋头孔
🗣️ 情景例句
She'll call.
她会打的。
Feed sparingly and defy the physician.
饮食有节，医生绝迹。
By this time her legs were beginning to tremble,
这时她两腿累得开始发抖，