词语upkeep cost
解释(机器的)保养费用
upkeep cost〔名词〕保养费,保养费用,维度详细»
upkeep cost〔名词〕保养费用,维护费详细»
upkeep cost〔名词〕保养费用详细»
upkeep cost〔名词〕维护费用,保养费用详细»