Decades of operation have heated the very soil through which the tunnels run and led to the sweaty climate familiar to today’s passengers.

经过几十年的运作，地铁来来往往那里已变得热了起来，以至如今演变成为乘客所知汗流浃背的环境。

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Through the optimization of process operation and change the heat transfer process, makes the unit run longer cycle.

通过优化装置工艺操作方式及变更换热流程，使得装置的运行周期更长。

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Touch screen is imported from Canada, which we used to control the run of the whole machine, in order through simplest operation approach.

加拿大进口的触摸屏，人机界面让我们用最简易的操作方法控制整台设备的优良运转；

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