In the experiments, when the power voltage varies from 342V to 418V, and the load from 25N to 50N, the variation ratio of the wire-feeding speed is small than 5%, which satisfies the JB/T9533-1999 professional standard.是什么意思_In the experiments, when the power voltage varies from 342V to 418V, and the load from 25N to 50N, the variation ratio of the wire-feeding speed is small than 5%, which satisfies the JB/T9533-1999 professional standard.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句