ac adjustable voltage speed control调压: pressure regulating转速: speed; revolution; rotation ...控制: control; dominate; regulate; ...超转速控制: overspeed control轴转速控制: shaft speed control下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:调压转速控制，即可在微信中查询翻译
