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射流体与进气管通过活络接头连接。
The jetting body is connected with the intake pipe through a flexible joint.
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送气管线的一头与供气系统连接；
One end of the gas supply pipeline is connected with the gas supply system;
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送气管线的一头与供气系统连接；
One end of the gas supply pipeline is connected with the gas supply system;
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