• Attach the regulator. Fasten the regulator to the cylinder and tighten the inlet nut securely.

    连接调整器。把调整器紧固钢瓶上,安全地上紧入口螺母

    youdao

  • Fasten the regulator to the cylinder and tighten the inlet nut securely.

    调整器紧固钢瓶上,安全地上紧入口螺母

    youdao

  • Fasten the regulator to the cylinder and tighten the inlet nut securely.

    调整器紧固钢瓶上,安全地上紧入口螺母

    youdao

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进来说说原因吧 确定