英语翻译只有你确认好修改后的图纸 我才可以开始生产 所以目前最紧要的事情就是尽快确认修改后的图纸 以保证你们能够按时收到

only if you confim the amended drawing, i can start producing. So the most important thing is to comfirm the amended drawing for ensuring that you can receive the goods on time.
这里只有.才要用only if才行.
包正确!欢迎追问!谢谢!