SantoshOstwal这十几年来都为一个费解的难题而困扰：如何让印度的农民更方便地灌溉作物。

For decades Santosh Ostwal obsessed over an obscure problem: how to make it easier for Indian farmers to water their crops.

youdao

SantoshOstwal这十几年来都为一个费解的难题而困扰：如何让印度的农民更方便地灌溉作物。

For decades Santosh Ostwal obsessed over an obscure problem: how to make it easier for Indian farmers to water their crops.

youdao