结合具体工程对全回转切割清障的工作原理以及对破损隧道切割过程中对完好隧道的保护措施等加以介绍。
Taking the recovery work as an example, general conditions of equipments, construction principles and measures used in the work were introduced.
厦门海底隧道海域隧道地段存在多处风化深槽，岩体主要为全、强风化花岗岩。
The underwater section of the Xiamen subsea tunnel will encounter many weathered strata, and the main rock of the weathered strata is fully or strongly weathered granite.
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