可折叠便携式铝合金车架，实心前轮，塑料轮框实心后轮，上翻扶手，自锁式后把手连刹车，安全带。
Collapsible portable aluminum frame, solid front, solid rear wheel plastic wheel box, up on the rails, after the hand with self-locking brakes, seat belts.
动车组的座椅扶手内配备了可折叠的茶几，便于书写或放置东西，不用时可以掖藏起来。
On the D-prefaced trains there is a tray table for each passenger installed in the armrest of the sea which can be pulled out for writing on or holding objects, or stowed away when not in use.
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