Sand in rigid container [Saturated Sand Test II]

Verification test to observe the performance of the tactile pressure pads. Same configuration as Hydro Test II, but with the addition of loose sand in both compartments of the model container. Level ground configuration.用于观测触觉压力垫（tactile pressure pads）性能的验证试验。其配置与Hydro Test II一致，但在模型容器的两个隔舱中均添加了松散砂土，并采用水平地面构型。