需要时

• This updates statistics only when they are required
  此语句仅在需要时更新统计信息。
• Chances are you ' ll get it when you stop wanting
  有可能，当你不再需要时，你会得到。
• 12 minute average 8 - minute will be operated when needed
  12分钟(有需要时增加至8分钟)
• 5 conduct supplier on - site inspections once necessary
  需要时，进行供应商现场检验。
• Bring a walking stick for use if necessary
  携带行山手杖，在有需要时使用。
• If you run out , shout , i ' m right next door
  需要时就出去叫一声，我就在隔壁
• Performs process maintenance tasks on a need basis
  在需要时执行维护工作。
• Assemblies are only loaded as they are required
  程序集仅在需要时才加载。
• How are labels aged and removed when not needed
  当标签不再被需要时，如何废弃和删除？
• The sizing grip is automatically displayed when needed
  需要时会自动显示大小调整手柄。