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.
本實用新型的優點：結搆簡單，使用方便，可以連續調節高低牀的高度。
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.
本實用新型利用産品內部廻水循環來潤滑活塞裝置，具有使用方便，壽命長，造價低等優點。
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