speed changer

基本解释

The automatic speed changer is received in a speed changer case (45).
該自動變速器容納在變速箱（45）內。
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A systematic study was performed on the extruder set via analyses of the factors such as feeding, screw speed, throttle valve, screen pack changer, die plate and pelletizer, aimed at saving energy.
選擇進料狀況、螺杆轉速、節流閥、換網器和模板及切粒機等因素對擠出機機組的影響進行了系統分析、研究，發現這些因素對擠出機的負荷和能耗影響較大。
In this process, using the frequency changer to control the fans'rotational speed.
在此過程中，採用變頻器調速控制風機轉速。

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