每小时生产吨数

tons of fuel per locomotive kilometre at... miles per hour comparative statement of cost per production hour in an ill hour in a happy hour in a good hour in a lucky hour in an evil hour comparative statement of monthly cost per productive hour in the hour of need PER per tons per square inch per hour miles per hour per second per hour factor kilocalories per hour roentgens per hour grams per hour output per man-hour price per kilowatt-hour disintegrations per hour speed per hour