The difference between the inline machine 168 and 168s is mainly reflected in the following aspects:

　　Appearance design: the internal line machine 168s has been updated and improved in appearance design compared with 168, which is more fashionable and exquisite.

　　Functional Configuration: The inline machine 168s may have some additions or improvements in its functional configuration, such as the addition of voice recognition and other features.

　　Performance: Since the Inner Liner 168s is an upgraded version of the Inner Liner 168, there may be some improvements in performance, such as faster response time and more stable operation.

　　To summarize, there may be some differences in the appearance design, function configuration and performance performance of the inline machine 168s compared to the 168, so consumers can choose the right product for themselves according to their needs and preferences.

　　For the repair of the inner line machine 168 running, you can try the following methods:

　　Re-fixing: first check the fixing method of the inline unit, if it is screw-fixed, you can try to tighten the screws to see if you can solve the running problem.

　　Replacement of parts: If the inner liner is worn out or damaged, you can consider replacing the relevant parts, such as bearings, bushings, and so on.

　　Adjustment: Some of the running problems may be caused by improper adjustment, you can try to adjust the parameters of the machine to see if the problem can be solved.