Найдите эквивалент следующим атрибутивным группам в русском языке. 1) the cab control system device improvement program
2) ac or dc passenger train system choice
3) the 654 km Moscow - St. Petersburg main lain
4) the 1520 mm gauge six-car passenger train
5) good contact maintenance problem discussion
6) high speed electric train power equipment development
7) high speed electronic data-proccesing system
8) export car design improvement program discussion