这种轨道绝缘垫片在轨道施工中只 需要用螺丝拧紧即可完成施工，方便、快速，垫片也容易更换、检视。
In the construction of railways, the utility model can complete construction by screwing screws. Being convenient and rapid, the spacer can be easily replaced and inspected.
塑料华司垫片，尼龙、乙烯等材料加工成型，具有绝缘耐蚀、隔热、非磁性能，用于紧固件、绝缘隔离垫片。
Plastic washer gasket, nylon, vinyl and other materials processing and forming, corrosion resistance, heat insulation, insulation is non magnetic properties for fasteners, insulation gasket.
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