Challenges in multinational cooperation are slowing progress in Sino-Russian development of the CR29, industry sources close to the program say. The Craic consortium of Comac and United Aircraft Corp. (UAC) now expects to take almost two years to choose an engine for the widebody airliner, says one of the sources. A trend toward preponderant Chinese influence in the program evident two years ago seems to be continuing. China may make the carbon-fiber wing, even though UAC has special expertise in the area. Comac is already working on development of the carbon-fiber fuselage and has built a sample barrel.
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机译：行业消息人士表示，跨国合作中跨国合作挑战正在减缓CR29的中俄发展进展。其中一个来源说，Comac和Come United Aircor Complium（UAC）的Comac和United Aircor Corp.（UAC）现在预计将需要近两年的宽轿车的发动机。两年前，在该节目中的普遍普遍的中国影响趋势似乎是持续的。中国可以制造碳纤维翼，即使UAC在该地区拥有特殊专业知识。 Comac已经致力于开发碳纤维机身，并建造了样品桶。
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