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1·The pinion shaft runs in porous bronze bearing bushes.

小齿轮轴运行多孔青铜轴承衬套。

2·Yellow River sullage porous brick can substitute for clay brick and be used as bearing wall material based on analysis of masonry compression strength, crack development and breakage feature.

从砌体抗压强度、裂缝开展以及破坏特征等方面分析，黄河淤泥多孔砖可以替代黏土砖用作承重墙材。

3·Experiments on the bearing of gas porous concrete masonry envelope were accomplihed. Acording to the results, its working mechanism is studied and a formula for bearing capacities is suggested.

根据加气混凝土砌体局部承压的试验研究，探讨了砌体局压的工作机理，并提出了计算公式。