常見例句Dabber: A ball-shaped device filled with cotton or rag in the middle and wrapped with leather of fine cloth . 拓包:一個球狀物體,中間是棉花或破布,外面用皮或細絨布包著。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型穿墻水力警鈴是由輪機殼體、葉輪、傳動軸、芯軸、轉(zhuǎn)臂、鈴錘、警鈴座、支撐軸等組成。 返回 dabber