upper half-bearing

例句：

1. 1. The roof of the house is designed to provide upper half-bearing for the structure.
   这座房子的屋顶设计用来为建筑物提供上部支撑。
2. 2.The engineer used the upper half-bearing to calculate the load distribution.
   工程师利用上部支撑来计算负载分布。
3. 3. The construction company was required to ensure that the upper half-bearing was adequately secured.
   建筑公司被要求确保上部支撑得到充分固定。