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.
从机械可靠性设计理论及模糊数学理论出发，给出了盘形制动器工作参数的模糊可靠性设计方法，并附有应用实例。
According to the reliability design theory and Fuzzy mathematics theory, put forward a Fuzzy reliability design method of working parameter for plate brake and give some application examples.
另外，作者对组合梁剪力连接件的设计理论及组合梁最大裂缝宽度计算方法作了逐一地探讨。
In addition, the calculating methods about the gap of the connectors and the maximum width of crack are discussed in the thesis.
另外，作者对组合梁剪力连接件的设计理论及组合梁最大裂缝宽度计算方法作了逐一地探讨。
In addition, the calculating methods about the gap of the connectors and the maximum width of crack are discussed in the thesis.
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