离心式管道泵维护检修规程 二○○七 462 目 录 1 总则·····························································463 2 完好标准 ························································463 3 管道泵的维护与常见故障 ··········································464 3.1 维护 . ······················································464 3.2 常见故障及处理方法 ········································465 4 管道泵的检修 ····································