The calculation theory of the reliability of the system in a fuzzy state was founded based on the fuzzy measure, and the reliability of the petroleum pipeline systems was studied by using the theory.
在模糊测度的基础上，建立了模糊状态下的系统可靠度计算理论，并用该理论研究了输油管道系统的可靠度。
Haed sealed ceramic ball valve new product that our company develop newly, product this use electricity, petroleum, chemical industry pipeline system open and close and close the device mainly.
硬密封陶瓷球阀是我公司新开发的新产品，该产品主要用于电力、石油、化工等管路系统上启闭装置。
The system has been widely applied in petroleum pipeline.
该系统在输油管线上已得到广泛应用。
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