Hang Min thought for a moment, "Your Majesty's intention is to start promoting the Shenlong to all official roads in the country, but there are problems, the Shenlong is still overweight, and the cement official road can withstand it in the short term, and if it bears it in the long term, it is very likely to be damaged very quickly." ”

Zhu Jianji said: "I know, although the cement official road also uses steel bars for the bones, but the amount is small, and it really can't withstand the long-term crushing of the Shenlong

Chapter 780 of "Don't Make Trouble in the Fort Sect" Da Ming, the capital has sprouted! I am hitting it in my hand, please wait a moment,

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