usableness

常見例句

The utility model has the advantages of simple structure, usableness and capability of continuously adjusting the height of the bunk bed.
本實(shí)用新型的優(yōu)點(diǎn)：結(jié)構(gòu)簡單，使用方便，可以連續(xù)調(diào)節(jié)高低床的高度。
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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(shí)用新型利用產(chǎn)品內(nèi)部回水循環(huán)來潤滑活塞裝置，具有使用方便，壽命長，造價(jià)低等優(yōu)點(diǎn)。
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