“你看，这太棒了，”他说，“飞船上的一切设备运转良好，我们甚至用不到备用系统。”
"You know, it's amazing," he said. "Everything on the spacecraft works, and we're not using any backup systems."
许多其他的石油生产国已经满负荷运转；欧佩克也开始动用仅有的备用油。
Many other producers are already running at full capacity; OPEC has its hands on the only spare oil (see chart).
还有一座为雷纳·尔特和家人而设立的犹太教堂，以及一个备用的发电站，以确保一切正常运转。
There's a synagogue for Rennert and his family - and an on-premise power plant to keep everything running.
对需24小时连续不停运转的泵，应备用三台泵，一台运转，一台备用，一台维修。
On the need for a 24-hour non-stop operation of the pump, should reserve three pump, a functioning, a backup, a maintenance.
对需24小时连续不停运转的泵，应备用三台泵，运转，一台备用，一台维修。
On the need for a 24-hour non-stop operation of the pump, should reserve three pumps, operation, a backup, a maintenance.
对需24小时连续不停运转的泵，应备用三台泵，运转，一台备用，一台维修。
On the need for a 24-hour non-stop operation of the pump, should reserve three pumps, operation, a backup, a maintenance.
应用推荐