failure-free operation

基本解釋

The stability of dam abutment should has a direct relation to failure-free operation and security of projects, and security of downstream people's life and property as well.
壩肩巖體的穩(wěn)定與否，將直接關(guān)系到工程的正常運行和安全，以及下游人民生命財產(chǎn)的安全。
Their electronically commutated brushless DC motor provides virtually maintenance-free operation over time by eliminating brush maintenance and associated brush motor failure.
其電子換向直流無刷電機通過排除刷子維護和關(guān)聯(lián)電機的出錯，在操作過程中提供免維護操作。