这层是这样安排的，在敏感地区，例如，下面的胎面花纹的凹槽，该周加强往来铺设沥青，大大增加了。
This ply is arranged such that in sensitive zones, for example, beneath the grooves of the tread pattern, the laying pitch of the circumferential reinforcing threads is greatly increased.
一种输送机使用的输送带，其断面形状为中凹槽型、两侧上端平型、在中凹槽型内可设置挡板、花纹样突出物、点状突出物或凹坑。
The conveyer belting section for conveyer is concave groove type. Top of two sides is flat. The damper, figured project and point project or concave can be positionaled into concave groove type.
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