usableness
常见例句
- The utility model has the advantages of simple structure, usableness and capability of continuously adjusting the height of the bunk bed.
本实用新型的优点：结构简单，使用方便，可以连续调节高低床的高度。
ip.com - The utility model availing circulation of the backwater interior the product to lubricate the piston device has the advantages of usableness, long life, and low manufacturing cost or the like.
本实用新型利用产品内部回水循环来润滑活塞装置，具有使用方便，寿命长，造价低等优点。
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