It features a stepped tread pattern that includes a large rectangular lug as the base with smaller square pins mounted on top.
它具有一个加强胎面花纹，其中包括一个大型长方形耳为基础的小广场上安装针顶端。
Metal rollers impregnated with a raised rubber pattern are mounted on a single machine.
与模式提出了橡胶浸渍金属辊安装在一台机器。
The fan assembly is roof mounted, providing a vertical airflow pattern and uniform temperature throughout the chamber.
这种风扇装于窑顶，提供了垂直的气流并能使整个炉腔温度保持均匀。
The fan assembly is roof mounted, providing a vertical airflow pattern and uniform temperature throughout the chamber.
这种风扇装于窑顶，提供了垂直的气流并能使整个炉腔温度保持均匀。
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