TB/T 2328.19-2008 Test method for railway ballast has been changed from TB/T 2328.7-1992 Test method for compressive strength of railway crushed stone ballast stone powder test module.
TB/T 2328.19-2008 Test method for railway ballast was changed to TB/T 2140.2-2018 Railway gravel ballast Part 2: Test methods.
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