density bottle [物] 密度测定瓶 ; 比重瓶 ; 密度瓶 ; 密度计
density bottle method 比重瓶法
Boot density bottle 布特密度瓶
density bottle methods 密度瓶法
flat-bottomed spherical density bottle 平底球型密度瓶
density y bottle 密度测定瓶
Think of a battery as a bottle for energy, and the power density as the size of the bottle's neck.
想象电池是一个能量瓶，电能密度就是瓶颈的尺寸。
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Think of a battery as a bottle for energy, and the power density as the size of the bottle’s neck.
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