A mechanical stepless speed regulator is adopted to make the curbing work.The speed can be regulated when the curbing work and can be slewed steadily.是什么意思_A mechanical stepless speed regulator is adopted to make the curbing work.The speed can be regulated when the curbing work and can be slewed steadily.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句