我不得不给我丈夫打电话，他驱车一个小时给我送备用钥匙。
I had to call my husband, who drove an hour to bring me my spare set of keys.
然而，大约在半小时之后，巨浪冲垮了距震中最近的福岛第一核电站的海堤，并摧毁了主要的备用发电机。
Roughly half an hour later, however, a wall of water breached the sea wall protecting the Fukushima Daiichi plant - one of the closest to the epicentre - and struck the main back-up generators.
7小时30分钟尽管操作员已将水抽入主回路，但温度仍然很高。减压阀的备用阀门被打开，减少压力。
7 hr 30 min Even after operators pump water into the primary loop, pressure is still high. The PORV 'backup valve is opened to lower the pressure.
电力公司总是保留一些备用发电能力，而在这用电需求突然下降的一个小时中，供电公司的涡轮发电机会继续工作，为一小时后的用电新高峰做准备。
Power companies always keep spare capacity and will keep their turbines spinning through this unpredictable fall in demand in preparation for when people turn their lights back on again.
海水淡化设备用软管与一个容量为45升的海水箱相连，而斯伯茨在划船时打开脚部的阀门就可给水箱补充水。海水淡化设备每小时可以生产20多升的淡水。
A hose connects the tank — which can be replenished by opening a valve in the footwell — to a desalination machine that can produce 6 gallons of fresh water an hour.
如果你有两小时空闲时间，你准备用来做什么？
If you had two hours of free time, what would you do with it?
电视机、计算机、空调等不要24小时在备用状态因为一样耗电的。
Don't let the TV, computer, A/C switch on at the stand-by mood 24 hours which is still has power consumption.
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.
系统有断电工作保护功能，当电源线路被破坏或由于其他原因断电时系统备用电源仍能继续工作24小时以上，来电后将会自动充电。
Power system protection work, when power lines were damaged or for other reasons the system back-up power supply is still able to work more than 24 hours, calls will be automatically recharged after.
系统有断电工作保护功能，当电源线路被破坏或由于其他原因断电时系统备用电源仍能继续工作24小时以上，来电后将会自动充电。
Power system protection work, when power lines were damaged or for other reasons the system back-up power supply is still able to work more than 24 hours, calls will be automatically recharged after.
应用推荐