英语语法分析

The unique part of the mounting is the trunnion.

独特的部分是耳轴安装。

Trunnion bascule bridges are doubtless one of the renowned bridge types in Chicago.

耳轴开合桥是芝加哥最出名的桥的种类之一。

Has the ability to purge through the trunnion to keep both the trunnion and the cavity clean.

有能力冲洗整个轴颈，保持轴颈和空穴清洁。