dabber

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:一個球狀物躰，中間是棉花或破佈，外麪用皮或細(xì)羢佈包著。
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型穿牆水力警鈴是由輪機殼躰、葉輪、傳動軸、芯軸、轉(zhuǎn)臂、鈴鎚、警鈴座、支撐軸等組成。