The manufacturing technological process of AISI 422 steel sector plate blank has been described.
介绍了AISI 422钢扇型板毛坯的制造工艺流程。
The Ruzhou coalfield lies at the front part of thrusting nappe structural zone western Henan sector, south margin of the North China plate.
汝州煤田位于华北板块南缘逆冲推覆构造带豫西段前锋部位,区内逆冲推覆构造较发育。
Optical coupling and transmission performing with optic fiber and fiber optic face plate, a new sector beam linear array scanning X-ray detector technique based on plane array CCD devices is proposed.
提出了一种基于面阵CCD器件,采用光纤和光纤面板进行光耦合及传输的扇形束线阵扫描X射线新型探测器技术。
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