Olivia Lum - founder of water treatment company Hyflux in Singapore .

张震亮度-创办人的水处理公司凯发在新加坡举行。

youdao

Olivia Lum - founder of water treatment company Hyflux in Singapore .

张震亮度-创办人的水处理公司凯发在新加坡举行。

youdao