KTC102.1-X40米五芯急停闭锁线七芯急停闭锁线KTC101; KTC-30 七芯闭锁装置拉力通信电缆五芯急停闭锁线KTC102.1-X60,五芯急停闭锁线KTC102.1-X80电子KTC101-Z-X25米七芯急停闭锁线电子KTC102.1-X80米五芯急停闭锁线KTC101-Z-X20米七芯急停闭锁线电子KTC101-Z-X20米七芯急停闭锁线