Signal which prevents accidental operation by spurious signals or avoids possible ambiguity .
防止假信号的意外作用或者避免二义性而设置的信号。
Protective circuits for input overvoltage and output overvoltage effectively protect the power amplifier from damage by accidental operation.
具有输入过压和输出过压保护电路，有效防止意外操作造成功放损坏。
Round Safety handle -design prevents accidental operation of low-torque ball valve by snagging the lever handle with personal clothing or equipment.
圆形安全手柄—这种结构用于防止由于人员服装或设备绊住水平手柄导致的低扭矩阀门的操作故障。
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