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It will be noted that the emphasis in this book is on the turbo-jet engine and that no special part deals with the propeller-turbine engine. 应该指出，强调在这本书是关于 在涡轮喷气发动机，并没有特殊的部分涉及 与螺旋桨涡轮发动机。 www.wangchao.net.cn