FRB4 and FRB6 are capable to produce both cups and jars with a thread. this driven all by electricity ensuring a very clean operation .是什么意思_FRB4 and FRB6 are capable to produce both cups and jars with a thread. this driven all by electricity ensuring a very clean operation .在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句