单语范例（未经PONS编辑处理）
英语
- Then the bailer is returned to surface where it is taken apart, the solids are emptied, and it is cleaned and serviced with new o-ring seals.en.wikipedia.org
- When the shaft is powered the rubber o-ring acts as a chain between the spool and the roller making the roller rotate.en.wikipedia.org
是否要添加一些单词、短语或翻译？
请发送新条目。浏览词典
英语