省油器 meaning in Chinese
economizer
gas saver
idle needle
petrol economiser
Examples
- Convex - concave shape : unique designed of convex - concave shape , which can strengthen and expand the heated measure . promote to absorb the light and heat energy . increase the radiating energy
在省油器表面形成许多凹凸面：使表面受热面积加大，促进吸收光能及热能，增加红外线放射能量。