常見例句The boat can solve the technical problem of providing a handed rotavator boat that a person can sit on to operate so as to reduce work intensity. 所要解決的技術(shù)問題是提供一種人可以坐在船上進(jìn)行操作以減小勞動強(qiáng)度的手扶式水田旋耕船。 返回 rotavator