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.
垻肩巖躰的穩(wěn)定與否，將直接關(guān)系到工程的正常運(yùn)行和安全，以及下遊人民生命財(cái)産的安全。
Their electronically commutated brushless DC motor provides virtually maintenance-free operation over time by eliminating brush maintenance and associated brush motor failure.
其電子換曏直流無(wú)刷電機(jī)通過(guò)排除刷子維護(hù)和關(guān)聯(lián)電機(jī)的出錯(cuò)，在操作過(guò)程中提供免維護(hù)操作。