Unbound and hydraulically bound mixtures - Part 4: test methods for laboratory reference density and water content - Vibrating hammer.
松散的和液力粘合的混合料。第4部分：实验室参考密度和水含量的测试方法。振动锤。
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This paper introduces the structure of the positive-wave system of the naval dual-wave shock test machine and analyses the water-hammer phenomena in the system.