“butterfly die”的概念、定义、翻译、参考文献-科学参考

单词	butterfly die
释义	butterfly die Encyclopedia 工学挤压释 butterfly die蝶形模模具结构酷似蝴蝶形的分流组合模。具有分层结构，过渡圆滑，能改善金属挤压流动性。
随便看	frequency band frequency bandwidth constraint frequency bridge frequency calibration frequency capture frequency centre frequency characteristic frequency characteristic of sound pressure frequency chart frequency chirp frequency coding frequency collapse frequency comparision frequency compensation frequency conversion frequency conversion circuit frequency conversion technique frequency conversion transformation of fan and water pump frequency converter frequency counter frequency criterion frequency curve frequency cutoff frequency dependence selection frequency-dependent conductivity

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