门顶是一个汉语词语，读音是mén dǐng，是指一种用于支撑门的门顶。
专业制造合页、吊轮、门吸门顶、把手锁、工程装饰配套五金等五金产品。
Producer of alumimium plastic board, fireproofing board, decorative glue, hinge, slide rail, drawer lock, hung wheel, and decorative hardware parts.
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.
摘要船闸人字门顶门检修的传统方法是采用液压千斤顶手动作业，工作效率低，时间长，技术风险大。
Traditional method for overhaul of the top of miter gate is through manual operation by hydraulic hoisting jack which has the shortcomings of low efficiency and great risk.
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