SFS 5379-1987 《管架 将滑动支座焊接到管上 DN 20 500》.pdf

相关资源

IRS 70778-2-2018 Recommendations for determining the carrying capacity and fatigue risks of existing metallic railway bridges.pdf

IRS 70712-2018 Rail defects.pdf

IRS 50596-6-2018 Conditions for coding intermodal loading units in combined transport combined transport lines and wagons.pdf

IRS 50596-5-2018 Transport of road vehicles on wagons-Technical Organisation-Conveyance of semi-trailers with P coding or N coding on recess wagons.pdf

IESNA TM-23-2017 Lighting Control Protocols.pdf

IESNA RP-2-2017 Recommended Practice for Retail Lighting.pdf

ITU-R RAPPORT M 766-2 FRENCH-1990 Feasibility of frequency sharing between the GPS and other services《全球定位系统和其他服务之间的频率共享的可行性》.pdf

ITU-R RAPPORT M 763-3 FRENCH-1990 Signal level variation due to multipath effects and blockage by ship-s superstructure in maritime mobile-satellite service lin.pdf

ITU-R RAPPORT M 739-1 FRENCH-1986 Interference due to intermodulation products in the land mobile service between 25 and 100 MHz《由于互调产物在陆地移动服务25和100 MHz之间产生的干扰》.pdf

ITU-R RAPPORT M 319-7 FRENCH-1990 Characteristics of equipment and principles governing the assignment of frequency channels between 25 and 100 MHz for land mob.pdf

猜你喜欢

NASA NACA-TN-4172-1958 Noise survey under static conditions of a turbine-driven full-scale modified supersonic propeller with an advance ratio of 3 2《在静态条件下 对工作状态特性系数为3 2涡轮机驱动全面改良的.pdf

NASA NACA-TN-4174-1957 Wind-tunnel investigation of the static lateral stability characteristics of wind-fuselage combinations at high subsonic speeds taper-ratio series《在亚音速下锥形比系列.pdf

NASA NACA-TN-4176-1958 Effect of flow incidence and Reynolds number on low-speed aerodynamic characteristics of several noncircular cylinders with applications to directional stabi.pdf

NASA NACA-TN-4185-1958 Wind-tunnel investigation of effect of sweep on rolling derivatives at angles of attack up to 13 degrees and at high subsonic Mach numbers including a semiemvati.pdf

NASA NACA-TN-419-1932 Wind-tunnel tests of the Fowler variable-area wing《福勒可变面积机翼的风洞试验》.pdf

NASA NACA-TN-4200-1958 Effectiveness of boundary-layer control obtained by blowing over a plain rear flap in combination with a forward slotted flap in deflecting a slipstream down.pdf

NASA NACA-TN-422-1932 The aerodynamic characteristics of a model wing having a split flap deflected downward and moved to the rear《带有偏转向下和移至后部的分裂式襟翼记忆模型的空气动力特性》.pdf

NASA NACA-TN-4230-1958 Prandtl-Meyer expansion of chemically reacting gases in local chemical and thermodynamic equilibrium《在局部化学和热力学平衡下化学反应气体的普特朗迈耶膨胀》.pdf

NASA NACA-TN-4309-1958 Use of short flat vanes for producing efficient wide-angle two-dimensional subsonic diffusers《对产生有效宽角度二维亚音速扩散器的短平坦风向标的使用》.pdf