n.推进者；推动器；(毒品等的)非法销售者；推杆
He acted as if he were an old tool pusher. 他的举动好象是个老技师。
The pusher heaters are widely used in the wire and rod mills because of their less investment and improved heating quality. 由于推钢式加热炉的投资少而且加热质量较高，因此在型钢和棒材项目中应用比较多。
The neighbourhood pusher got Joe a fix. 邻里的不法商贩给乔打了一针毒品。
The notorious drug- pusher has been contriving an escape from the prison. 这个臭名昭著的大毒枭一 直都在图谋越狱。
