《我爱发明》 田间出智慧4 农林机械的创新发明 20180622 | CCTV科教

[@robertyan6520]

解放劳动力。

[@veli_vi]

Very good job, and very effective job well done.

[@koonwahyip]

if a effective machine is made, it is sure can help save labour, efficience, and help generate more profit. it is to encourage .

[@kuloglu6311]

👍

[@user-cy3ro4hy1p]

勵害了

[@kevinefms]

农药不是每天都要打的，一般农民也不需要家家户户都自己买一辆打药机吧？改用租借的方式更可行。

[@koonwahyip]

I am not know why most the boss are not happy about the inventor. most of inventor find out few times failure, at final result , at most the cases , machine could help to improve the efficiency and save all effort,

[@user-cy3ro4hy1p]

好

[@dfgfyyh9545]

这个机械。不如勾机（台湾称怪手）的灵活效率。

[@user-cy3ro4hy1p]

中国-定赢

[@user-cy3ro4hy1p]

中国強

[@user-cy3ro4hy1p]

泰