sealed off

Seal off the edgefold by using a new special heat-pressing technology, enhance prevention of side leakage.

独有的新型热压密封折边技术，更加有效的防，使用更加放心。

The amphitheater was a sealed off round structure. Swordplay, wresting, gladiatoral and other contests were held there.

该竞技场为四周封闭式构，可以举行斗剑、格斗、斗兽及其他竞赛。

The change from the unroofed stadiums to sealed off buildings maybe the beginning that tickets were sought.

露天场馆到封闭的建筑的转变，就可能是追求门票收入的开始。