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.
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.
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。
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