求翻译：装运该物品的车辆排气管必须配备阻火装置，禁止使用易产生火花的机械设备和工具装卸。公路运输时,要按规定路线行驶，勿在居民区和人口稠密区停留。铁路运输时要禁止留放。是什么意思？

Shipment of the goods vehicle exhaust pipe must be equipped with fire retardant devices, prohibit the use of easy to produce sparks of mechanical handling equipment and tools. According to the provisions of road transport routes, not in residential areas and densely populated areas. Railway transpor

Shipment of the goods vehicle exhaust pipes must be equipped with fire resistance sparks devices, prohibition of the use of mechanical equipment and tool handling. According to road transport routes, don't be in the neighborhood and densely populated areas. Rail transport is prohibited when left on.

Ships this goods the vehicles exhaust pipe to have to provide the fire resistance installment, the prohibition uses easy to produce the spark mechanical device and tool loading and unloading.When highway transportation must according to the stipulation route travel, not in the inhabited area and the

Shipped the goods vehicle exhaust pipes shall be fitted with fire stopping device, the prohibition of the use of mechanical equipment and tools for loading and unloading easy to produce sparks. When road transport routes according to regulations, do not stay in residential areas and densely populate

Shipment of the goods vehicle exhaust pipe must be equipped with fire retardant devices, prohibit the use of easy to produce sparks of mechanical handling equipment and tools. According to the provisions of road transport routes, not in residential areas and densely populated areas. Railway transpor