有效的膜污染防治技术，可以增加膜通量，增强系统稳定性，减少系统维护和运行费用。
Effective membrane fouling control techniques can increase the flux and the system stability, and reduce the maintenance and operational cost.
当企业扩大时，这就提供了灵活性，同时降低了长期的运行和维护费用。
This provides flexibility as an enterprise grows, and can also reduce long-term operation and maintenance costs.
监督性监测系统的建设、运行和维护费用由财政预算安排。
The expenses for establishment, operation and maintenance of the system for supervisory monitoring shall be covered by the financial budget.
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