The paper has introduced constructional properties, applicable sphere of pumping reverse circulation drilling, and its technical demands and the reasons of common hitchs and processing methods.
介绍了泵吸反循环钻进的施工特点、适用范围、施工中的技术要求与常见故障的原因及处理方法。
The principle and way of designing framework in processing a prominent half elliptical sphere die exactly with a vertical lathe have been described in this article.
介绍在立式车床上精确加工凸形半椭球形冲模的原理及其机构设计方法。
On this basis, the application sphere of unascertained rational number filtering is analyzed and it applied to the data-processing conditions of multi-input and single-output.
在此基础上，分析了未确知有理数滤波的适用范围，指出其应用于多输入单输出的数据处理情况。
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