Pay attention to lock the rolling security mesh.

如果是拉闸式的防盗网，要注意上锁。

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So beneath this security attacking model of inner-mesh, we have to get more special security control management for all the component points and participants.

因此，在这样的一个模型下，必须对内网中所有实体对象进行更加全面、颗粒度更小的安全管理以及控制。

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A driver can directly watch conditions in a boxcar and after a car through the mesh through opening a hole on the position which is rightly opposite to a car body, and the security is increased.

通过在正对车身处开一孔，司机可以直观的通过网孔观察到车厢内及车后情况，增加安全性。

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