lower control limit 管制下限 ; 控制下限 ; 下控制界限 ; 下控制限
LCL Lower Control Limit 管制下限 ; 控制下限 ; 从实际收集数据统计最低可接受的限度
LPCL Lower Per-control Limit 前置管制下限
Lower Per-control Limit 前置管制下限
lower acceptance control limit 可接受的控制下限
When the arm runs to the upper and lower two limit position, respectively press the lower limit switch, cut off the main control circuit, variable amplitude motor parking, to limit the role.
当臂杆运行到上下两个极限位置时，分别压下限位开关，切断主控电路，变幅电机停车，达到限位的作用。
Instruments based on the lower limit of two switch-contact device, the pressure to set a signal or when the value of on-off control circuit for the operating system's automatic control or the use.
仪表设上、下限二位开关型接点装置，在压力达到设定值时发出信号或通断控制电路，供作业系统自动控制或发讯用。
When some environmental values exceeded the setting upper and lower limit or faults come out, control system would send out alarm by buzzer and LED.
当环境内某一环境因子超出预先设定的上、下限报警值或系统运行出现故障时，由蜂鸣器和发光二极管进行报警。
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