labor cost per units is sometimes called the labor content of the product.刚才字母打错了

labor cost per units is sometimes called the labor content of the product.刚才字母打错了
labor cost per units is sometimes called the labor content of the product.
刚才字母打错了

labor cost per units is sometimes called the labor content of the product.刚才字母打错了
(每)单位劳动力成本有时也称产品的劳动力含量.