labor hours

基本解释

Consider overtime and after-hours labor costs, and be sure to include a training budget.
考虑加班和营业外时间劳动成本，并确保包括培训预算。
At this time, 400 linear feet of piping has been installed at a cost of $40 000 and 500 man-hours of labor.
此时，已有400 英尺的直线管道以40 000 美元的成本和500 人工时的劳能源进行了铺设。
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Saving labor, producing more goods with fewer man-hours, is widely perceived not as progress but as a danger.
节省劳力，用更少的人时数生产更多的商品，被广泛地视作危险而非进步。

During this week when there's been a lot of labor news - starting with the big strike at Chrysler that lasted all of six hours before ending with a labor deal - let's take a look at labor unions - trade unions in particular - in a very different country, Egypt.
NPR: Striking Textile Workers in Egypt Get Concessions
The fanciest guns consume 1, 300 man-hours of labor.
FORBES: Bespoke
The fanciest guns consume 1, 000 man-hours of labor.
FORBES: Magazine Article