求翻譯：Once the film has reached the other side of the camera you must lock the film into the winding mechanism so that the film will move across the film plane when it is winded after every exposure. On the back of the camera on the right where the tip of the leader is you will notice two spindles, one with sprockets, and an是什么意思？

待解決 懸賞分：1 - 離問(wèn)題結(jié)束還有