用丝绸很便于书写和画画。
窗口式插袋,便于书写、记录;多种颜色可供选择,活页设计,内页更换简易方便。
Windou-type sidekick, convenient for writing and recording; many colors for choice, ring binder designed, it easy to replace the interior pockets.
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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