项目技术风险相当低。
为了生存，低风险的项目是必要的，中度风险的项目令企业适应并利用变更的技术，高风险的项目是成长所需的。
Low risk projects are necessary to stay alive; medium risk projects enable the enterprise to adapt to and capitalize on changing technology; high risk projects are required for growth.
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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