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通过对ＰＣ６Ｂ型潮式砼喷射机摩擦扳的使用工况测试和分析，对摩擦板的材质进行改进，达到提高摩擦板使用寿命的目的。
By testing and analyzing the operating conditions of the friction wrenches of the PC6B tide concrete jet machine, the material of the friction wiper plate is improved to achieve the purpose of improving the service life of the friction wiper plate.