n.轻拍的东西(敷墨具;上墨滚筒;打纸型的硬毛刷)
Dabber: A ball-shaped device filled with cotton or rag in the middle and wrapped with leather of fine cloth . 拓包:一个球状物体,中间是棉花或破布,外面用皮或细绒布包着。
The ZSJL Water Motor Alarm consists of a turbine shell, a vane wheel, a transmission shaft, a dabber, a rocker arm, a clapper, an alarm seat and a support shaft etc. ZSJL型穿墙水力警铃是由轮机壳体、叶轮、传动轴、芯轴、转臂、铃锤、警铃座、支撑轴等组成。