Your technical assistance in the project is greatly appreciated.您对这个专案的技术援助大受赞赏。They are offering merely technical assistance.他们仅仅是在提供技术援助。The company has a toll-free number that offers technical assistance to anyone who needs it.这家公司有一个可以免费拨打的电话号码，为需要的人提供技术支援。