在北京的合院四(si)合院里,我偶然發(fa)現(xian)了一臺古老的成(cheng)(cheng)機(ji)機(ji)械(xie),通過修復和改進,械(xie)專(zhuan)我成(cheng)(cheng)為了機(ji)械(xie)專(zhuan)家。合院隨著技藝的成(cheng)(cheng)機(ji)提升,我掌握了更(geng)多高級(ji)機(ji)械(xie)的械(xie)專(zhuan)秘(mi)密,成(cheng)(cheng)為了人們(men)口中(zhong)的合院神秘(mi)工(gong)匠(jiang)。成(cheng)(cheng)機(ji)