puller

详细解释:n. 拉的人, 拔具, 拉出器
【化】 拔出器; 拔具; 拆卸器

英语解释：

名词 puller:

someone who applies force so as to cause motion toward herself or himselfsomeone who pulls or tugs or drags in an effort to move something同义词：tugger, dragger