按需要的英文

replace o rings as required

• 按:    press; push down
• 需要:    need; want; requir ...
• 按需要修理:    repair as required

例句与用法

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1. The arrays can be reference - type arrays or value - type arrays
   按需要执行类型向下转换。
2. It is distributed as and when needed via the itsc s
   按需要不定期出版，以
3. The ticket may contain the necessary information present
   单上按需要可设定不同信息内容。
4. 1 . send fax , making copies , binding documents as requested
   1 .按需要发送传真复印装订文件
5. Classes of a plug - in are loaded on demand
   插件的类是按需要加载的。