Siheyuan: Daily Challenge, Starting Engineer

Li Baoguo travels through the love-filled courtyard house of the 1960s. At the beginning, the sky collapsed, both parents died, and the whole family was loyal! Li Baoguo returns from a foreign country and awakens the system! Get new technology every day! ! After Li Baoguo returned to Sijiu City. Bite! Congratulations to the host for completing today's challenge and obtaining junior engineer skills! ! Bite! Congratulations to the host for completing today's challenge! Get the secret space! ! ! ! ........... Qin Huairu: To protect the country, please help me! You can do whatever my sister asks you to do! ! He Yuzhu: Li Baoguo, you have so many things and you still don't give them to Sister Qin! Yi Zhonghai: Li Baoguo, now that you have money, you still don't take out your things for everyone to use! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.