... 顶管法 pipe jacking method 顶枢 upper gudgeon (top pintle) 定床河流模型 (定床河工模型 ) fixed bed model ...
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工程采用的在人字门顶枢A、B拉架预留槽内预埋预应力锚杆的设计方案，在国内尚属首例。
The design scheme of installing pre-stressed anchorage rod in the channels of A and B tension bar in the top pintle of miter gate has been adopted, which is the first one at home.
该托架及支撑杆利用该切换座及顶撑座形成可枢转的 结合关系。
The bracket can be pivoted with the supporting rod by using the switching seat and the top bracing seat;
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