每一套设备都包括有单根可伸缩杆和一个带有单独的空气通道和水喷嘴的驱动机械。
Each device consists of a single, retractable lance and a drive mechanism equipped with separate air and water nozzles.
为变电站用高空作业平台的使用提供依据，并且为高空作业平台特别是工作台面可伸缩的作业平台提供了一种叉杆强度计算参考方法。
The strength of fork rod is adjusted. The extension of the working platform is calculated to get the largest load it can support.
此刀头主要由导光管、聚焦透镜、可伸缩接触杆以及手柄组成。
The knife bit mainly is composed of a light pipe, a focusing lens, a telescopic contact lever and a handle.
有一个内置可伸缩的便携式抽抓取控制杆轴提供安全装置，掌握，而使用浴缸、淋浴和卫生间。
The Portable Telescoping Pivot Grip Suction Grab Bar provides a safety device to grasp while using the bathtub, shower or toilet.
本实用新型包括至少二段可伸缩、可折叠的轴向托杆；
The utility model includes at least two telescopic and foldable axial holding rods; at least two telescopic and foldable radial holding rods;
本实用新型包括至少二段可伸缩、可折叠的轴向托杆；
The utility model includes at least two telescopic and foldable axial holding rods; at least two telescopic and foldable radial holding rods;
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