CRH3型車車下清潔項目、車下部件預安裝項目快軌車下電氣安裝項目。CRH3 underframe cleaning project , under frame parts pre—installation project fast track under car electrical installation project .
CRH3型車、CRH400標動輪對檢修項目轉向架電氣連接預準備。Preparation of electric connection of Bogie for CRH3 vehicle and CRH400 Stsndard Wheelset Wheelsets maint enance project .