《中国民用航空》航采网讯 瑞航技术（SR Technics）与R&M航空签署一项为期3年的发动机综合解决方案协议，将为其乌克兰的Aerosvit航空公司运营的6台普惠PW4080发动机提供大修，估计交...
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SR Technics Switzerland 瑞士航空技术公司
SR Technics aims to fix exchange rates on a quarterly basis and tries to balance receivable currency by paying in the same currency, thereby reducing the need to buy other currencies.
该公司将固定每季度的兑换率作为目标并努力平衡买卖币种，降低购买其它币种的可能性。
However, undeveloped technics, high output costs, technologys instability, low export prices, etc, so the high quality Sr-products are lacking.
然而，我国高品质锶产品研究、开发起步晚、碳酸锶深加工技术匮乏、生产成本高、环境污染严重、出口价格低。
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