他们呼吁回归“指形路牌”。
分析了叉指形电极压电驱动器的结构特点和电场结构。
Firstly, the structure and electric field of interdigitated electrode piezoelectric ceramic actuator were studied.
齿轮指形铣刀样板是加工大模数齿轮的主要辅助工具。
The finger milling-cutter templet of involute gear is the assistant tool mostly to machining big module gear.
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