258102_管道支架计算公式
2021-03-14
来源：星星旅游
管径采暖干管DN20DN25DN32DN40DN50DN65DN80DN100DN125DN150采暖立管DN40DN50DN65DN80给水管DN40DN50DN65DN80DN100DN125DN150排水铸铁管DN50DN75DN100DN125DN150DN200含量kg/m0.730.750.870.80.80.80.951.171.331.590.280.280.270.270.560.560.460.480.580.670.80.160.160.210.210.270.27