1-6-6 常用給水管計算數(shù)據(jù)

給水鑄鐵管計算表表1-33序號管徑d(mm)75100150200250流量q(L/S)iviviviviv12247.9828.40.460.931.940.690.260.52　　　　　　3661.51.39140.781.870.34　　　　481091.8623.91.043.140.460.7650.26　　5101712.3336.51.304.690.571.130.32　　6789101112121416182022242462.7652.671.693.51181 ......（本文共 1418 字 ）     [閱讀本文] >>