[KongchangAI]
Unverified80% confidenceSolutionTime unknown

遇到管道堵塞选购路径:先判断管径与堵塞类型→φ50以下小管选8mm便携机→φ100主管选12-16mm专业机→堵塞硬/位置深加配切削钻头→操作时先短距离试探再逐段深入并保持钢缆湿润散热

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