It's the main control switch. Make sure it's in the 'on' position.

这是总控制开关，确定它位于“开”的位置。

You'll see three main controls on the left at the bottom of the heater.

你会看到加热器底部的左面有3个主要的控制装置。

Ye stood next to the main control room door.

叶站在主控室门边。

From here, she could clearly hear the sounds inside the main control room.

从这里，她可以清楚地听到主控室内的声音。

From the main control room, she heard more shouts.

从主控制室里，她听到了更多的喊叫声。

He seemed to understand Ye's concern and brought her back out of the main control room.

他似乎明白叶的担心，带着她离开了主控室。

But again, the opening of those two crossings mean they don't actually have to pass through Damascus and the main government controlled area.

但同样，这两个过境点的开放意味着他们其实不必经过大马士革和主要的政府控制区。

Its main control program was stored on a whopping 62,500 punch cards, which is equivalent to roughly 5 megabytes of data.

它的主要控制程序存储在高达 62,500 张打孔卡上，相当于大约 5 兆字节的数据。

From the main control room, the confusing murmur of orders and responses resumed even as the loud male voice continued.

在主控制室里，尽管响亮的男性声音仍在继续，但命令和响应的混乱杂音又开始了。