dabber

常见例句

• 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、轉臂、鈴鎚、警鈴座、支撐軸等組成。
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