管道阀门维护检修规程(上)
二○○七
874
目 录
1 总则·····························································875
2 完好标准 ·························································878
3 管道阀门的维护 ··················································879
3.1 维护························································879
3.2 常见故障和消除方法 ··········································881
4 检验、检修周期和内容 ··························