研究了EWIS卡箍的选用。基于实际经验列出了民机常用的卡箍类型,研究了卡箍选用时需考虑的设计因素,给出了选用原则,确保了工程设计人员能够简单明了地根据设计工况选择最合适的卡箍,既保证安全性,又能确保经济型。 EWIS study of the choice of clamp. Based on practical experience, the types of clamps commonly used in civil aircraft are listed. The design factors to be considered in the selection of clamps are studied. The principle of selection is given, which ensures that the designer can select the most appropriate card according to the design conditions easily and simply Hoop, both to ensure safety, but also to ensure economy.