他们向主干道路方向行驶。

They drove in the direction of the main street.

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主干道只是一条脏乱的道路。

The main street is simply a dirt road.

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厂内通往各车间的主干道设计成环形道路，便于车辆运行，有利消防。

Within each workshop to the main ring road, designed for vehicle operation, good fire.

youdao

绿色背景道路代号指示到达主干道的方向。

Route Numbers on a green background show the direction to a primary route.

youdao

绿色背景道路代号指示到达主干道的方向。

Route Numbers on a green background show the direction to a primary route.

youdao