revolutions per minute
(略【物】每分钟转数
increase the number of rotations per minute.
加快每分钟转动的次数。
distance by engine rev.per.m.
按主机每分钟转数计算出的航程
To make an rpm-drop test, a tachometer is needed.
做每分钟转速下降试验时，需要一个转速表。
a long-playing phonograph record; designed to be played at 33.3 rpm.
一种长期播放的留声机唱盘；每分钟转.圈。
a speed of 100 revolutions per minute
每分钟100转的转速
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。
a record designed to be played at 45 revolutions per minute
每分钟45转的唱片.
This machine runs at speed of 500 revolutions per minute.
这台机器每分钟500转。
doing a steady 4000 revs(per minute)
达到（每分钟）4000 转的恒定转速.
old-fashioned type of gramophone record to be played at 78 revolutions per minute
每分钟 78转的旧式电唱机唱片.
revolutions per minute(esp as a measure of engine speed)
每分钟的转数（尤指发动机的）
A phonograph record designed to be played at45revolutions per minute.
每分钟四十五次转速的唱片
They spin at 400-500 revolutions per minute.
它们每分钟旋转四百到五百周。
This machine cannon has a high rotating speed reaching 500 revolutions a minute.
这架机关炮的转速很高, 每分钟可达到５００转。
The TG70 steam turbine has a operation speed of9600 rotations per minute( RPM).
TG70型蒸汽透平的运转速度为每分钟9600转。
They develop 4.5 horse-power at 9,000 rpm.
当引擎转速为每分钟九千转时，具有4.5马力。
On a minute-by-minute basis.
每分钟的每隔一分钟的，一分钟一分钟的
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