利用二级模糊综合评判原理对无游梁式抽油机曲柄销的可靠度进行预测。

Using the two - level fuzzy comprehensive theory for the realibilty testing of the crank pin in the non - beam pump is discussed in this article.

youdao

利用二级模糊综合评判原理对无游梁式抽油机曲柄销的可靠度进行预测。

Using the two - level fuzzy comprehensive theory for the realibilty testing of the crank pin in the non - beam pump is discussed in this article.

youdao