加长杆 extension bar
[测] lengthening bar
- 完整的阀门参数:型号和阀门通径。从阀门中心线到阀杆加长件顶部手轮的尺寸。
Complete valve data: figure number and valve size. Dimension from valve centerline to top of extension stem handwheel. - 应在任何工艺要求的地方配备玻璃液位计照明装置,加热或冷却夹套,扩充回路,云母屏蔽,非磨砂型加长杆等等。
Gauge glass illuminators , heating or cooling jackets, expansion loop, mica shield, non-frosting extensions, etc. shall be provided wherever process service requires. - 介绍了利用旧液压支架,改制成用于液压支架立柱机械加长杆拆卸的专用设备—拉力机的结构、工作原理、技术参数。
This article introduces the structure, work elements, technology parameters of pull machine, which can dismantles dismantle mechanical extension bar of hydraulic prop.