néng yuán hé yuán cái liào xiāo hào dī de chǎn pǐn



nínshìfǒuzàixúnqiú： 能源 能源和原材料消耗低的产品 能源 能源和原材料消耗低的产品 gèngduōjiéguǒ...

yīngwénjièshì: n.  product that yields high added value, earns foreign exchange and is produced with advanced technology and an efficient use of energy and materials