yòng / duō jīng tǐ / guī / zhì zào / de / tài yáng néng / diàn chí bǎn / chéng běn / bǐ / dān jīng guī / dī用多晶体硅制造的太阳能电池板,成本比单晶硅低。Solar panels made from polycrystalline silicon are lower in cost than those made from monocrystalline silicon.