Randomized block design and triplicated plot and single-grain row sowing were applied in the experiment. 试验采用随机区组排列,重复三次,单粒条播。
810 hydraulic servos-system. Randomized block design and triplicated plot and single-grain row sowing were applied in the experiment. 810研究了它们的适用期、微观结构和混凝土性能。试验采用随机区组排列,重复三次,单粒条播。