恒温插芯可以确保固体火箭发动机的制造质量，远程控制可以避免事故突发带来的人员伤亡。
The manufacture quality of solid rocket engine is ensured by the constant temperature pushing core model.
它为柴油发动机的检修提供了依据，降低了成本，同时也防止了设备的突发事故。
It can provide support for diesel engine maintenance, reduce the cost and simultaneously avoid sudden accident.
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.
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