EN 14231天然石材的测试方法。确定滑动阻力通过摆测试仪Natural stone test methods. Determination of the slip resistance by means of the pendulum tester
ASTM E303用英国摆锤冲击试验机测量表面摩擦性的试验方法Standard Test Method for Measuring Surface Frictional Properties Using the British Pendulum Tester
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