In order to enhance the operational reliability of min hoister, its electric control system was reformed with PLC.
为了提高矿井提升机的运行可靠性，用P LC对矿井提升机的电控系统进行了改造。
In order to enhance the operational reliability of min hoister, its electric control system was reformed with PLC.
为了提高矿井提升机的运行可靠性，用P LC对矿井提升机的电控系统进行了改造。
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