double-curvature formwork是什么意思

用法例句

The paper focuses on the adjustable reversible form and its support system and the pumped concrete technology for high thin-walled hollow piers of Lujianian Bridge.

重点阐述了陆家埝大桥薄壁空心高桥墩双曲可调模板及支架系统以及泵送混凝土施工工艺。