revolutions的例句（revolutions在句子中的用法）

• The drum is rotated at 20 revolutions per minute for 10 minutes. 圆筒以每分钟20转的速度转10分钟.
• This machine runs at speed of 500 revolutions per minute. 这台机器每分钟500转.
• The shaft and discs rotate at about forty revolutions per second. 竖轴和磁盘每秒钟大约旋转40转.
• Automatic feed back circuit to keep constant revolutions of handpiece under variety of working condition. 自动回溯回路设计,可确保手机在各种加工条件下可常速运转.
• As with many technological revolutions, you are unlikely to be aware of it... 就像诸多的技术革命一样，你可能不太会注意到它。