该设计理论及方法为石油钻采装备及工具的改造和新产品研制提供了一种新的方法。
The theory and method provide improvement on oil equipments and development of new product with a new way.
针对生产中的这些问题，本文对井口装置进行了在设计上引入现代机械设计理论及方法，克服了传统设计的不足；
To solve these problems, this paper is designed to introduce the theory and approach of the advanced wellhead mechanical design in an attempt to overcome the disadvantage of the conventional concept.
着重研究了该机的设计理论及设计参数的选择计算方法。
This paper emphasizes the study of the design theory and parameter-choosing method of the machine.
应用推荐