国产日本欧美色视频_欧洲一级精品毛片大全_4399视频在线观看免费播放_羞羞电影在线观看_久久www免费人成一看_日韩AV手机免费在线观看_午夜香蕉成视频人网站高清版_国产a级不卡片视频不卡片_一级 片激情视频播放_国产亚洲一区呦系列

1. Under 48 years old, with more than three years of lathe operation experience, can flexibly use machine clamp knives, adapt to various non-standard product processing.

2. Familiar with the operation and maintenance of 61100, 6160, 6180 and other lathes;

3. Construction according to the drawing, obey the arrangement, and be able to adapt to shift or overtime;