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。
The results in this paper provide effective method for the ice-induced fatigue design of jack-up platforms, and it provides foundation for the use of jack-up platform in ice zone.
研究结果为自升式平台冰激疲劳设计提供了有效的方法，并为自升式平台在冰区的使用提供了依据。
Changing method of jack position may prevent plunging into ground and ensure pushing quality.
改变顶镐位置设置方法，可防止扎头，保证顶进质量。
The propeller is to be force fitted to the propeller shaft by using the hydraulic jack which the Builder possess and secured by wet type keyless fitting method.
螺旋桨通过使用船厂提供的液压顶升装置压入螺旋桨轴并采用湿式无键固定法紧固。
Introduced USES the ANSYS software establishment hydraulic power support hoisting jack the method.
介绍了利用A NSYS软件建立液压支架千斤顶的模型方法。
Aiming at the questions of pump-jack fault diagnosis method backward and diagnosis information lack of, it is proposed a kind of wavelet transform based neural network fault diagnosis system.
针对油田抽油机井故障诊断方法较落后和故障信息采集不充分的问题，提出一种小波变换基神经网络故障诊断系统。
Construction of bridge and culvert can be conducted by many methods, such as primary jack-in method, across jack-in method, split jack-in method and slot jack-in method.
桥涵顶进施工采用多种方法，如：一次顶入法、对顶法、解体顶进法、开槽顶入法等，常用施工方法为一次顶入法。
Construction of bridge and culvert can be conducted by many methods, such as primary jack-in method, across jack-in method, split jack-in method and slot jack-in method.
桥涵顶进施工采用多种方法，如：一次顶入法、对顶法、解体顶进法、开槽顶入法等，常用施工方法为一次顶入法。
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