They served as a protection means of the city wall and strengthen the city's ability to combat floods.

捍城通常高两米，宽一米左右，主要作用是保护城脚、增强防洪能力。

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Now, having rebuilt the city wall, Nehemiah wanted his people to know that it is not a monument to the strength of Judah ; but God's gift for the protection and perpetuation of his name in the world.

现在，当城墙重建完毕，尼希米希望他所率领的群众明白，这座墙不是用来展现犹大人的能力有多强，而是要纪念神要保护、并且要彰显祂不朽的圣名。

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In addition, the safety measures for protection of ancient city wall are outlined and the blasting results are briefly analyzed.

此外，简述了保护古城墙的安全措施，并对爆破效果做了简要分析。

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