They work in a black hole, beside live rails with trains bearing down just centimeters off the way.
他们在一个黑洞中工作,就在列车铁轨旁边,离呼啸而过的列车只有几厘米之遥-;y*c23#YYa*g。

This is the track simulation room. 46 meters of subway recreated down to the last wire, tie and boat.
这是轨道模拟房间-NF(YC1d-W5HGbJ。46米的地铁再现，电线、换乘、船也被完美模拟4i76PlcM6m9Yygg0rhl#。

The only difference, these rails are lifeless.
唯一的不同的是，这些铁轨是死气沉沉的H~n[^BQ*nJtuTv。

In the field, they carry a leaf or dose of electricity, 600 volts.
在这个房间中,他们使用600伏特的电力&v~,KP;Ymg。

With crews working centimeters from death, accuracy counts.
工作人员离死亡只有几厘米之遥，只有精确才能保证万无一失3CAOEej;^9F]m。

Bob Guerinel is one of the instructors.
鲍勃•格内尔就是其中的一名教员=Wg&W6TtLd|zx1|lrv。

Students get the chance to take apart their equipment,
学生可以有机会拆除设备

to adjust their equipment to get a true feel for what they are gonna experience when they are out in a real world,
来调整自己的设备得到真正的感觉,知道当他们处于真实的世界他们一定会经历的感觉,

doing the actual job and keeping New York City safe.
真正工作,保障纽约的安全SN|2aClgK7YH。

Workers keep the signal system running,
工人保障信号系统运行,

and the signal system keeps the trains running safely.
信号系统保障列车的安全运行PYKq)WlakyNXS。

It works through modern electronics and old-fashioned mechanics.
通过现代电子和老式的力学紧密合作保障人们出行安全xPb,4wD9c6bca。

All tracks are divided into 300- meter sections called blocks that electrically detect the presence of a train.

铁路分为300米的街区部分,电力探测列车的存在t!p=[k&]js5!^D。
注：听力文本来源于普特