常見例句雙語例句He has repaired the machine for two hours.他脩理這臺機(jī)器已有兩小時了。He said he stood over a Xerox machine for hours, carefully making copies of each page of the Pentagon papers.他說他儅年小心翼翼地把國防部文件一頁一頁複印下來,爲(wèi)此在複印機(jī)旁待了幾個小時。The productive capacity is usually expressed in terms of an activity base, such as machine hours, direct labor cost, or direct labor hours.標(biāo)準(zhǔn)生産能力通常表達(dá)爲(wèi)機(jī)器工時、直接人工成本、直接人工工時等指標(biāo)。權(quán)威例句Buying one machine saved 15 hours a week.FORBES: 200 Best Small CompaniesTo keep an old-style machine running for 24 hours required three shifts and eight hours of a technician's time.ECONOMIST: Genetic warfareThey had one weaving machine that made fabric 24 hours a day, 7 days a week.FORBES: Brazil's 'Poor' Middle Class, And The Poor That No Longer Serve Them 返回 machine hours