共 50 条
- [2] VARIABLE-SPEED DRIVES MAY CUT PIPELINE PUMPING COSTS. Oil and Gas Journal, 1980, 78 (33): : 84 - 85
- [5] SEWAGE TREATMENT PLANT COSTS IN KANSAS SEWAGE AND INDUSTRIAL WASTES, 1958, 30 (12): : 1443 - 1454
- [7] PURIFICATION OF ZINC SOLUTIONS FOR THE TANKHOUSE - CONTINUOUS VIBRATING REACTOR SYSTEM MAY SIMPLIFY RECOVERY AND CUT COSTS E&MJ-ENGINEERING AND MINING JOURNAL, 1983, 184 (06): : 83 - 87
- [9] RECENT SEWAGE TREATMENT PLANT COSTS IN IOWA SEWAGE AND INDUSTRIAL WASTES, 1955, 27 (03): : 257 - 260