Source:http://ftr.wot-news.com/2014/06/06/straight-outta-supertest-turrets/
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Source: VK Wotleaks community
真·来源↗ 

Hello everyone,
大家嚎， 

as you probably know, the new Stronkhold mode is coming. A part of it are NPC defensive buildings – turrets, controlled by bots, that protect your base from enemy assault. The turrets will allegedly be constructed as buildings in Stronkhold mode. They are allegedly going to appear as team members, so in the end, a team can have 16 or 17 players in the team like that.
也许你已经知道了，新的要塞模式即将加入游戏。作为NPC控制的防御建筑的一部分—由电脑控制的用于防守的炮塔也会加入游戏中。“炮塔”是要作为一种建筑在要塞模式中建造的。这些炮塔会作为你们的队友出现，所以最后会变成15v16，或者15v17这样。 

This is an E-100 turret, with 10k hitpoints, allegedly it’s possible there will be other tank turrets used this way as well.
这是个E-100的炮塔，血量有1W。当然了，有可能还有其他坦克的炮塔也被拿来这么用了。