sinking caisson的用法和样例：
例句
- The mat foundation is composed of precast cellular caisson structures in-filled with ballast materials.
席式地基以盛满压重物料的预制方形沉箱建造。 - Combining Rizhao Port Bulk Grain Wharf and Container Wharf, this paper discusses the caisson placing construction technique.
结合日照港散粮码头和集装箱码头实际情况，简要介绍沉箱安装施工技术。
