How to install gas and waterway水管及气管接口可安装外径6MM内径4MM的软管。白色为气路进，红蓝为水路的进出管路（不分进出方向），如下图所示： Hoses with an outer diameter of 6MM and an inner diameter of 4MM can be installed at the water pipe and trachea interface. White is the air inlet, and red and blue are the inlet and outlet pipelines of the waterway (regardless of the inlet and outlet directions), as shown in the following figure: 不同机型位置不一，以实际颜色为准 Different models have different positions, subject to the actual color.
冷却系统分焊接头的水路部分和光纤头的水路部分，两者串联，如下图所示： The cooling system is divided into the waterway part of the welding head and the waterway part of the optical fiber head, which are connected in series, as shown in the following figure:
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