It's time we recognize the new economic parallel.
承认新的经济并行时候已到。
By little investment a significant economic benefits was made through technical improvement on parallel connection of no. 1, no. 2, no. 3 compressed air pipe networks.
通过小投入,对1线、2线、3线空压机系统并联改造,实现1 - 3线系统供气,取得较大的经济效益。
The active power loss calculation and service life analysis of parallel transformers under economic operation mode are introduced in detail.
介绍了在并列运行变压器经济运行模式下,变压器有功损耗的计算和使用寿命分析。
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