The utility model relates to a scraper unit of base edge combined rotation without special driving power.
本实用新型是无专门动力底边组合旋转的刮刀装置。
Once they hit the edge of a cone, drops are propelled towards its base, the least curved region, because of the pressure difference caused by surface tension.
一旦水滴流到了圆锥体的边缘,就会在锥体表面张力所形成的压力差的作用下流向它的底座,那里是曲线弧度最小的地方。
But the costlier Edge configuration I tested had a larger battery than the base unit, so would likely last only two-thirds as long.
不过我测试的Edge配置更昂贵,比基本款电池要大,所以基本款的续航时间可能只有我所测试的三分之二。
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