vertical shaft frame 优化设计
Three shaft frame 三轴框架结构
shaft frame testing 井架测试
permanent shaft frame erection 永久井架竖立
head frame of shaft 竖井的顶架
roller frame and pivot shaft 支重轮架和枢轴
Frame and Shaft Level 框式水平仪和条式水平仪检定规程
The purpose is to present a common theory and method of shaft frame hardness testing and data processing.
旨在提供井架强度测试及其数据处理的一般理论和方法。
During the start and stop of the drive shaft, the swing frame of the soft support will have a very obvious vibration.
在传动轴启动和停转的过程中，软支承的摆架会有非常明显的振动，硬支承的摆架则没有这种现象。
First you need the boring for the shaft, then install the stern tube into the stern frame, next fit the gun-metal or white-metal bush.
首先要镗孔，然后安装尾轴管，接下来装炮铜或白合金制的轴承套，也叫轴承。
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