... 压头英尺数 feet of head 每分钟英尺数 feet per minute; foot per minute; fpm 存数不足 not sufficient ...
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I use a relatively heavy foot and stipple deeply at around 4200 strokes per minute.
我使用的是相对沉重的脚，点画在每分钟约4200中风深刻。
The load capacity is 75 LBS per linear foot of conveyor for speeds up to 200 feet per minute.
的承载能力是75英镑每线性脚下的传送带速度高达每分钟200英尺。
If your teeth are allowed to drive and leg muscle strength, when the foot uphill as far as possible the number of transferred about 70 per minute (above grade).
如果你的齿盘和腿力都容许，上坡时踩数尽可能保持每分钟七十转左右(以上亦可)。
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