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给出了液压型小型化体积式钻孔应交仪优化设计中的计算式,并介绍了该应变仪TJ-2型和TJ-3型仪器的结构和特点。
The formulas for hydraulic optimization design of miniature volume borehole instrument are given, and the structure and characteristics of TJ-2 and TJ-3 instrument are introduced.