there is a table on the d
d上有一张桌子
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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.
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。
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