adjustable tray造句

Omessi has already patented several other devices, including an adjustable tray that lets people in wheelchairs eat at any table regardless of its height.
In a separate study, published this month in the Journal of Research on Computing in Education, researchers found that a group of middle-school children worked in healthier positions when given adjustable trays for holding the keyboard and mouse.
In October 2014 the manufacturer introduced the interior design which includes features such as club seating, SPD-Smart Electronically Dimmable Window ( EDW ) Systems, adjustable tray tables in the cabin sidewalls, pockets large enough to stow a tablet computer, USB power outlets, cup holders and light-emitting diode light switches.
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