运转初期，必须完全排清油缸内的空气。
The air in cylinder should be fully discharged at the beginning of operation.
车辆在装箱前必须把油箱里的燃油完全排干。
Tanks must be completely drained of fuel before the vehicles are crated.
然而，英国的能源政策并非完全出于减排的需求，还出于大规模提升可再生资源的产能量考量。
Britain's energy policy is not, though, driven entirely by a need to cut emissions. It also seeks to increase massively the amount of energy generated from renewable sources.
应用推荐