另外一种指令指导的系统是线导系统。
Another method that falls under command guidance is the use of wire guided systems.
电源线是否导通，是否与插座接触不良。
Power line whether breakover, whether with plug bad contact.
在测试导通性之前必须断开开关线束。
The switch wire harness must be disconnected before testing switch continuity.
电线颜色通常与导联线颜色相配。
电线颜色通常与导联线颜色相配。
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