求翻译：For Assy,PM工程师负责文件维护,PM组长负责文件更新,技术员负责PM执行,且相互之间没有建立完善的确认机制,risk高是什么意思？

For Assy,PM engineers for file maintenance, head of the PM is responsible for the file update, technician responsible for PM implementation and confirmation of mutual does not have to establish a sound mechanism, high risk