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.
坝肩岩体的稳定与否，将直接关系到工程的正常运行和安全，以及下游人民生命财产的安全。
Their electronically commutated brushless DC motor provides virtually maintenance-free operation over time by eliminating brush maintenance and associated brush motor failure.
其电子换向直流无刷电机通过排除刷子维护和关联电机的出错，在操作过程中提供免维护操作。
Stack gas energy restored interlock set plays an important role in FCCU in oil refinery. Long and failure free operation of it can ensure the safety run of FCCU.
烟气能量回收机组在炼油厂催化裂化装置中起着重要作用，机组是否能长周期安全平稳地运行关系到催化裂化装置的安全生产。
无故障运行FFO ？
无故障运行FFO ？
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