DB65 T 3834-2021 农田废旧地膜回收质量等级.pdf

相关资源

DB4420 T 64-2024 中山安南龟汤预制菜加工技术规范.pdf

DB4420 T 61-2024 脆肉罗非鱼片预制菜加工技术规范.pdf

DB4420 T 58-2024 拟穴青蟹池塘养殖技术规范.pdf

DB4420 T 59-2024 中山市1∶5001∶1 0001∶2 000基础地理信息数据标准.pdf

DB4420 T 62-2024 石岐乳鸽预制菜加工技术规范.pdf

DB4420 T 60-2024 中山市实景三维基础地理信息图元协同化采集技术规程.pdf

DB4420 T 63-2024 五桂山红茶生产技术规范.pdf

DB4420 T 6-2025 香山书房服务规范.pdf

DB4420 T 44-2024 暗纹东方鲀养成技术规范.pdf

DB4420 T 45-2024 第一类医疗器械产品备案管理规范.pdf

猜你喜欢

NASA-TP-3133-1991 Full-scale semispan tests of a business-jet wing with a natural laminar flow airfoil《带有自然层流机翼商务喷气机翼的全面半翼展试验》.pdf

NASA-TP-3192-1992 Stress concentrations for straight-shank and countersunk holes in plates subjected to tension bending and pin loading《承受拉力 弯曲和销载荷板材的直柄和埋头孔的应力集中》.pdf

NASA-TP-3557-1996 Improved Method for Prediction of Attainable Wing Leading-Edge Thrust《机翼前缘可得推力预测的改良方法》.pdf

NASA-TP-3637-1997 Guide to AERO2S and WINGDES Computer Codes for Prediction and Minimization of Drag Due to Lift《用于预测和最小化升致阻力的AERO2S和WINGDES计算机编码指南》.pdf

NASA-TP-3669-1997 Cavity Unsteady-Pressure Measurements at Subsonic and Transonic Speeds《亚音速和跨音速时空腔非稳压的测量》.pdf

NASA-TR-3082-1979 Rotary-wing aerodynamics - Volume 1 Basic theories of rotor aerodynamics with application to helicopters《旋转机翼的空气动力学 第1卷 适用于直升机的旋翼空气动力学基本理论》.pdf

NASA-TR-CR-114289-1971 Advanced general aviation propeller study《先进通用航空螺旋桨的研究》.pdf

NASA-TR-D-121-1923 The minimum induced drag of aerofoils《翼面的最小诱导阻力》.pdf

NASA-TR-D-594-1937 Characteristics of six propellers including the high-speed range《六片螺旋桨(包括高速范围)的特性》.pdf