此外，空挡溜车还存在安全隐患，尤其是空挡下坡时，没有了发动机制动很不安全，即便在平地上遇到突发情况也来不及处理。
In addition, neutral to slip one still unsafe, especially when the downhill, not the neutral engine braking is not safe, even on flat ground meet emergent events also too late processing.
为保证车辆的安全运行，在气压制动系统中施加安全保护开关，控制发动机的点火电路(汽油机)或熄火电磁阀电路(柴油机)，可实现低气压时的自动保护。
The safety switch controlling the ignition circuit in gas engine and flameout magnetic valve in diesel engine is used in air brake system to realize the automatic protect.
采用液压制动，停车制动和紧急制动均为无动力制动，发动机熄火或油路切断后可立即自动停车，更加安全可靠。
The hydraulic traveling brake, non-power parking and emergent brake can be realized immediately and automatically after the engine flameout or the oil-supply cutting.
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