Eddy current testing for measuring rebound clearance of aluminum skin caused by bending is described including its basic principles, characteristics and the design of measuring circuit and software.
介绍应用涡流检测技术测量铝蒙皮拉弯成型回弹量的基本原理与特点，以及应用系统机实现测量的电路设计与软件编制。
This paper describes the design principles , ind methods of grid space framework with bolted ball joints, and studies the methods for manufacturing the bolted balls and testing.
本文叙述螺栓球节点网架的设计原理与方法，以及对螺栓球的加工方法、测试等作了研究。
Working principles of dual closed-loop tester and parameter design for its major parts are introduced and indoor simulation testing technique for walking tractor discussed.
本文系统地介绍了双闭环试验台的工作原理，主要工作部件的参数设计，并对手扶拖拉机室内模拟试验技术问题进行了探讨。
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