共 50 条
- [41] STATISTICAL EXAMINATION OF THE ELECTRICITY METERS, GAS METERS AND WATER METERS IN THE SUPPLY GRIDS OF BAVARIA PTB-MITTEILUNGEN, 1981, 91 (03): : 192 - 195
- [43] Sizing and selecting enthalpy-recovery ventilation systems HPAC Heating, Piping, AirConditioning Engineering, 2002, 74 (08): : 50 - 52
- [49] PERFORMANCE SPECIFICATIONS FOR WATER METERS JOURNAL AMERICAN WATER WORKS ASSOCIATION, 1979, 71 (07): : 380 - 384