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| 技术用房通风机房、电梯间、水泵间、密闭水箱间等 | |||
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| 机械设备间; 设备用房 (如通风房、电梯间、密闭水箱、水泵间等) | |||
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mechanical rooms : 3 phrases in 1 subject |
| Technology | 3 |
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