The results show that, for relatively shallow embedded tunnel, a big error would occur if the surrounding rock pressure of the vault is regarded as uniformly distributed.
结果表明：对于埋深较浅的隧道，如果拱顶围岩压力按均布进行计算，结果会产生较大误差。
The linking piece bases are combined and assembled separately and fixed uniformly and are embedded inside the product or at the components as a whole.
联接件基座分体组合拼装统一固定。整体嵌装产品内部或部件上。
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