Autoclaved Aerated Concrete(AAC)Bearing Block
overshoes-type bearing block
the Elastic Bearing Block
tunnel shaft bearing block
vibrating conveyer bearing block
Coal-bearing residual fault block
thrust bearing [= thrust block]
bearing bearing of pile
桩的承载力
聚对苯二甲酸乙二醇酯(PET)
聚对苯二甲酸乙二醇酯