advantage of energy-saving的用法和样例：
- The ECH reactor under negtive pressure had the advantage of energy saving and environmental protection accorded with the national direction of saving energy and inducing contamination-discharge.
- Based on the techno-economic analysis, it is found that solar LPG vaporizer has advantages of energy saving and environmental protection, and is economically feasible for the application.
- This paper briefly introduces the principle of energy saving of frequency control and the result and advantages of application frequency control in the control system of Roots blower.
- AST is the leading provider of energy saving professional ice rink solutions.
- Perhaps a key adaptive advantage of the angiosperm is their ability to construct wood with much less expenditure of energy per unit weight.