技术规格的英文缩写为technical norms。
双语例句
用户订货时可根据实际需要选用各种不同规格的起重量、跨度、起升高度、悬臂伸出长度等技术规格。
When user ordering may select each kind of different specification according to the actual need the lifting capacity, the span, the lifting altitude, technical norms and so on bracket swinging radius.