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此试验台是机电一体化产品，本文比较了新旧试验台的优缺点，详细介绍了三用阀自动化试验台的结构及工作原理。
This test bed is a mechatronic product, this article compares the strengths and weaknesses of the new and old test benches, detailing the structure and working principle of a three-purpose valve automation bench.