How dows Tapestry set Headers of a grid component?

如何建立一个网格组件道斯挂毯的标题？

Baffles do not have obvious effect on controlling the interference between injection and production zone in high water cut wells with DOWS.

高含水期下入油水分离器开采时，打隔板控制窜层效果并不明显。

Stone dows not decay, and so the tools of long ago have remained when even the bones of the men who made them have disappeared without trace.

石头不会腐烂，所以这些很久前的工具已经存在了相当长的时间，甚至制造这些工具的人尸骨都已经消失的毫无痕迹。