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新型的贝尔４２７直升机可能是目前最接近于全复合材料的直升机，其维护系统得利于真正的非金属材料优异的性能。于１９９８年１２月在加拿大和美国取证的贝尔４２７将是贝尔公司的第一架金属与非金属的完美结合体。
The new Bell 427 helicopter may be the closest helicopter to the full composite and its maintenance system benefits from the true superior performance of non-metallic materials. In December 1998 in Canada and the United States forensics Bell 427 will be Bell’s first metal and nonmetal perfect combination.