青云翻译

In order to control its rotation angle greater than 90 degrees I do not think we need to add a limit structure here

In order to control its rotation angle of not greater than 90 degrees I think we need to add a limited structure here

In order to control its degrees rotation not to have to be bigger than 90 degrees me to think we need to add a limit structure in here

In order to control its rotation angles do not greater than 90 degrees but I think we need to impose a limit here structure

In order to control its rotation angle of not greater than 90 degrees I think we need to add a limited structure here