In the end, the network reliabilities considering voltage sags and protective relays or not are compared.
最后比較了計及電壓暫降和保護性能前后的配電網可靠性指標變化.
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This article describes examples to upgrade introduced power turbine so as to further increase their reliabilities.
敘述了提高引進型大功率汽輪機可靠性的具體成果.
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The reliabilities of casing head and gas - producing wellhead are related with the producing safety.
套管頭及采氣井口是完井采氣井口裝置,使用可靠關系到一口井長期采氣的安全.
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