ASTM F2316-12(2014) 机身紧急降落伞的标准规范(整.. ASTM F2316-12(2014) Standard Specification for Airframe Emergency Parachutes(机身紧急降落伞的标准规范)也是整机降落伞的标准规范AbstractThis specification covers minimum requirements for the design, man.. 整机降落伞 2020-12-09 18:00 作者:mycax 阅读全文