What was your main concept that you had in mind in developing the MBT system as the 3rd generation straight wire system?

• 安德鲁斯发达国家和原西南铝的基础上形成的直丝系统通过一个划时代的进步方丝弓技术，其次是博士罗斯的贡献，进一步发展这一制度。