此外, 凸形轮和凹形轮的轴杆等部位若出现松动现象,也会造成压痕线不清晰.In addition, convexes and concave wheel shaft and any loose from indentation line is not clear....

“轴杆”的英语可以翻译为：axostylus，[无脊椎] axostyle，shaft lever ...

“轴杆”的拼音为：zhóu gǎn...