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延时停气功能，有效地保护割炬。
Gas stop delay function, effectively protect the torch.
youdao
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机用朝炬夹持静是建接机用割炬与火焰切村机的附件。
It is an accessory connecting the cutting torch and the flame cutting machine.
youdao
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机用朝炬夹持静是建接机用割炬与火焰切村机的附件。
It is an accessory connecting the cutting torch and the flame cutting machine.
youdao