This determined green worm reminded me of Sisyphus in Greek mythology, who was banished to Hell after death and punished by having to roll a large rock up a mountain.
这固执坚韧的小青虫使我想起了希腊神话中的西西弗。西西弗死后被打入地狱，并被罚苦役：推石上山。
2
The mill comprises roll changing hydrocylinder (1), with rolling mill group (3), roll changer (2), post (4), worm wheel lifting gear (5), U-shaped frame (7), rotation ear (8) and bolt (9).