共 50 条
- [31] Aspirating aeration reduces BOD loading in municipal treatment system Water Eng Manage, 7 (30-31):
- [35] Cogeneration reduces medical center energy costs EC&M: Electrical Construction and Maintenance, 1994, 93 (02):
- [38] DISTRIBUTED CONTROL SYSTEM CUTS OPERATING COSTS AT MARATHON PLANT. Oil and Gas Journal, 1980, 78 (49): : 81 - 83