通过分析表明，在建筑工程推广使用玻璃钢管道、玻璃钢门窗等产品可为国家节约大量能源。
The analysis shows that spreading and popularizing of glass fiber reinforced plastics pipelines, doors & windows and other products in building engineerin.
回收铝罐节约了大量能源。
Huge savings of energy are made through recycling aluminium cans.
由于“水下鳐鱼”能够任意移动，可以作为一水压滑翔机或者振翅驱动，节约了大量能源。
As the Aqua_ray can be manoeuvred extremely well, and can be operated both as a hydrostatic glider and with an active wing beat, substantial energy savings can be achieved.
由于“水下鳐鱼”能够任意移动，可以作为一水压滑翔机或者振翅驱动，节约了大量能源。
As the Aqua_ray can be manoeuvred extremely well, and can be operated both as a hydrostatic glider and with an active wing beat, substantial energy savings can be achieved.
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