He said the Octagon would soon switch to a fuel cell system for heat and electricity, partly to cut energy costs at a time of a depressed rental market.
他说奥特根不久将使用燃料电池系统供热和发电，以便在楼房租赁市场低迷的情况下部分地降低能耗。
2
But hauling tons of equipment to the moon to make fuel and build a life support system for a moon base, wouldn't that be too expensive?
但是把成吨的设备运到月球去制造燃料，并为月球基地建造一个生命维持系统，那不是太贵了吗？
3
Eaton also holds a contract for the helicopter\'s hydraulic power generation system, integrated fuelsystem, and fluid conveyance package.