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渣洋隧道由于长期缺乏维修养护，造成多种病害，且相当严重，影响行车安全。文章介绍该隧道的主要病害及其整治措施。
Due to the long absence of maintenance and repair, the slag tunnel has caused many kinds of diseases and is quite serious, affecting traffic safety. The article describes the main diseases of the tunnel and its remediation measures.