英语词汇“variable-frequency device”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	variable-frequency device
释义	variable-frequency device 基本例句变频装置 The machine uses core wire tension control device and advanced computer frequency devices that can be adjusted within the provisions of speed spindles.有芯线张力控制机构，有电脑变频装置。
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