单词 | machine-hour |
释义 | > as lemmasmachine-hour machine-hour n. an hour of one machine's operation, or an amount of work equivalent to this; an hour during which a machine operates or could operate. ΘΚΠ society > occupation and work > equipment > machine > [noun] > spell or period of operation running time1854 run1864 machine-hour1921 1921 Eggleston & Robinson Business Costs 377 Direct labor and overhead... Machine Hours 30. 1966 A. Battersby Math. in Managem. vii. 173 For the sake of simplicity, we may choose to use a measure such as ‘idle machine-hours’, on the grounds that a reduction in idleness will automatically bring down operating costs. < as lemmas |
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