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金属给水管道老化会使管道的输水能力降低、故障率增高和水质变坏。
The ageing of water supply pipe may lead to decrease of water conveyance capacity, higher fault rate and deterioration of water quality.
为了保证足量、安全和优质供水，研究给水管道老化对输水能力降低的影响是十分必要的。
In order to ensure the adequate and safe supply of quality water, it is imperative to study the adverse effect of ageing of pipes on water supply capacity.
光滑的表现和非粘附特性保证HDPE管道具有较传统管材更高的输送能力，同时也降低了管路的压力损失和输水能耗。
Smooth performance and to ensure non-adhesion properties of HDPE pipe has a higher than conventional transmission capacity pipe, but also reduces the pressure loss in piping and water consumption.
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