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滑翔降落设备.背带设备.安全性要求和强度试验
Paragliding equipment. Harnesses. Safety requirements and strength tests
参考页数:28P.;A4
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降落伞术语词汇
Glossary of parachute terms
参考页数:24P.;A4
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滑翔降落设备.背带设备.安全性要求和强度试验
Paragliding equipment - Harnesses - Safety requirements and strength tests
参考页数:16P;A4
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直升机旋翼系统缩比模型通用要求
General requirements for scaled model of helicopter rotor system
价格:¥0.00
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旅客登机桥
Passenger boarding bridge
价格:¥0.00
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