There was a deafening hissing and crackling, and the needle on the air pressure indicator dropped from 70 to 65 to 60 pounds in two seconds.

之后发出了震耳欲聋的嘶嘶声和噼啪声，气压计上的指针在两秒内从70降到65，降到60磅。

The control system of this giant includes two multi-color monitors a load indicator, automatic power control to limit waste, standard working range limiter and the ground pressure indicator.

这个巨人的控制系统包括两个多色监视器、一个负载指示器、限制浪费的自动功率控制、标准工作范围限制器和地面压力指示器。