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.
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。
2
Standard Overhaul Practices Manual (SOPM) 20-10-01 generally is specified in each CMM section for the rework of wing components (e. g., flap tracks, flap carriages).