英语的问题 快一点啊
In 1878, Edison claimed to solve the problem of electric lighting. In September to begin the process of invention Electric. October 5, and so put forward a platinum wire on the "Electric Company" patent application.
In 1878, Edison claimed to solve the problem of electric lighting. In September to begin the process of invention Electric. October 5, and so put forward a platinum wire on the "Electric Company" patent application.