A train sells for$ 21, uses$ 9 worth of raw materials, and increases variable labor and overhead costs by$ 10. 一辆火车的销售价格为21美元,需要耗费价值9美元的原料,另外需要耗费可变人力成本和间接成本一共10美元。
Each train built increases Giapetto's variable labor and overhead costs by$ 10. 制造每辆火车需要耗费Giapetto的可变人力成本和间接成本一共10美元。
Variable overhead price variance 变动制造费用价格差异
A variable valve timing ( VVT) mechanism with switching cam is developed on a motorcycle engine with single overhead camshaft. The VVT mechanism has two sets of switchable intake valve timing parameter. 在摩托车发动机单顶置凸轮轴配气正时机构的结构形式基础上,研制一种可切换凸轮型线的VVT机构,具有2套可切换的进气配气正时参数。