这些装置相互连接成一整体，可以在油井防砂作业中使用。
Mutually connected into a whole, the devices apply to sand control work in oil fields.
一种用于互连网络中对数据流进行带宽预留的方法和装置。
A method and apparatus for bandwidth reservation for data flows in interconnection networks.
相邻支架的横梁通过连接装置形成一体化的刚性梁，相邻支架的顶梁通过滑块相互连接。
The cross beams of the adjacent supports form an integrated rigid beam through a connecting device, and the top beams of the adjacent supports are mutually connected by a sliding block.
相邻支架的横梁通过连接装置形成一体化的刚性梁，相邻支架的顶梁通过滑块相互连接。
The cross beams of the adjacent supports form an integrated rigid beam through a connecting device, and the top beams of the adjacent supports are mutually connected by a sliding block.
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