Asked how cutting makes use of the rectangular plate height h minimum?

问如何切割使得所使用的矩形板的高度h最小?

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The motor based on the vibration in plane of the rectangular plate.

研制了一种新型直线超声波电动机,电机采用面内振动的形式.

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The lower construction is a rectangular plate beam gantry with good rigidity and tensional strength.

下部结构为空间矩型板梁式门架,有较好的刚度和抗扭性能.

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