哪个

nǎ ge which; who

平台

píng tái platform; terrace; flat-roofed building

有

yǒu to have; there is; there are; to exist; to be

发布

fā bù to release; to issue; to announce; to distribute

fā bù to release; to issue; to announce; to distribute; also written 發布|发布[fa1 bu4]

采购

cǎi gòu to procure (for an enterprise etc); to purchase

需求

xū qiú requirement; to require; (economics) demand

信息

xìn xī information; news; message

fanpianzicomRRYQjsp