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。

youdao

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.

介绍了舰载设备双波冲击试验机正波发生系统的基本结构，对系统中水锤现象进行了分析。

youdao

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.

介绍了舰载设备双波冲击试验机正波发生系统的基本结构，对系统中水锤现象进行了分析。

youdao