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Rolls-Royce Holdings plc是一家总部位于英国的工程公司。该公司是一家基础广泛的电力和推进供应商。该公司的部门包括民用航空航天、国防、电力系统和新市场。民用航空部门从事商用航空发动机的开发、制造、营销和销售以及售后服务。国防部门从事军用航空 ...