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关注：1
2013-05-23 12:21
求翻译：The fire pumps should be started automatically by pressure drop or water flow. The electrical motor-driven fire pumps should be operated for at least 10 minutes monthly.是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
The fire pumps should be started automatically by pressure drop or water flow. The electrical motor-driven fire pumps should be operated for at least 10 minutes monthly.
问题补充： |
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