This cab signaling device is fail - safe and has highly reliability and - interference .数字化双制式机车信号符合故障 - 安全原则,可靠性高, 抗干扰能力强.It is becoming accepted practice that jet aircraft must " fail safe " .喷气式飞机必须有故障 安全装置,这已经逐渐成为公认的...

n.自动防故障装置adj.自动防故障装置的...

fail-safe的音标：fail-safe的英式发音音标为：[feɪl seɪf]fail-safe的美式发音音标为：[feɪl seɪf]...