DB65 T 3593-2014 新稻11号栽培技术规程.pdf

相关资源

DB62 T 689-2000 临夏牡丹栽培技术规程.pdf

DB62 T 820-2002 定西地区无公害农产品 专用型马铃薯生产技术规程.pdf

DB62 T 836-2002 兰州市无公害蔬菜生产技术规程 番茄.pdf

DB62 T 837-2002 兰州市无公害蔬菜生产技术规程 辣椒.pdf

DB62 T 838-2002 兰州市无公害蔬菜生产技术规程 黄瓜.pdf

DB62 T 637-1999 桑蚕纸板方格簇上簇技术规程.pdf

DB62 T 638-1999 桑蚕丝茧育防病消毒技术规程.pdf

DB62 T 996-2003 白银市A及绿色食品生产技术规程 双孢菇.pdf

JT T 1037-2016 公路桥梁结构安全监测系统技术规程.pdf

猜你喜欢

NASA NACA-RM-L51A10-1951 An investigation of the effect of vertical-fin location and area on low-speed lateral stability derivatives of a semitailless airplane model《垂直翼片位置和区域对半无尾飞.pdf

NASA NACA-RM-L51A19-1951 The torsional deflections of several propellers under operating conditions《在运行条件下若干螺旋桨的扭转变形》.pdf

NASA NACA-RM-L51A23-1951 Flight determination of the effects of wing vortex generators of the aerodynamic characteristics of the Douglas D-558-I airplane《机翼旋涡发生器对道格拉斯D-558-I飞机空气动力特.pdf

NASA NACA-RM-L51A26-1951 Investigation at low speed of the effectiveness and hinge moments of a constant-chord elevator on a large-scale triangular wing with section modification《低.pdf

NASA NACA-RM-L51B13-1951 The effect of end plates end struts and depth of submergence on the characteristics of a hydrofoil《端板 端框架和浸没深度对水翼特性的影响》.pdf

NASA NACA-RM-L51E02-1951 Flight determination of drag and pressure recovery of a nose inlet of parabolic profile at Mach numbers from 0 8 to 1 7《当马赫数为0 8至0 7时 抛物线轮廓头部进气道阻力和压力恢复的飞行测.pdf

NASA NACA-RM-L51F22-1951 Investigation of low-speed lateral control and hinge-moment characteristics of a 20-percent-chord plain aileron on a 47 7 degrees sweptback wing of aspect p 6).pdf

NASA NACA-RM-L51G09-1951 Preliminary investigation of the effects of rectangular vortex generators on the performance of a short 1 9 1 straight-wall annular diffuser《矩形旋涡发生器对短的1 9 .pdf

NASA NACA-RM-L51H13-1951 Low-speed characteristics of a 45 degree sweptback wing of aspect ratio 8 from pressure distributions and force tests at Reynolds numbers from 1 500 000 to.pdf