大家在查：经济流速动水位压力调节器快速取水阀千秋架局部阻力阻力损失水头损失喷头流量水力计算

系统运行费用

网络system operational cost; systemrunningcost

系统运行费用

系统运行费用

系统运行费用

system operational cost

什么意思_英语operational_cost在线翻译... ... system operational cost 系统运行费用 operational cost risk 建筑企业风险 ...

systemrunningcost

系统运行费,system... ... ) system running cost 系统运行费 ) systemrunningcost 系统运行费用 ) system operation 系统运行 ...

1

The results indicate that the operation cost of PCM cold accumulation system is the lowest and the initial investment is relatively high.

分析结果表明：相变材料蓄冷空调系统运行费用最低，但初投资较高；

3

Measurement of the Operating Fees of the Heating and Air-conditioning Systems

采暖、空调系统运行费用的计量

4

Operating cost analysis of water-source heat pump system in Henan Toll Line Maintenance Bureau

河南省长线局水源热泵系统运行费用分析

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