The penetration process is similar to Vickers hardness test.
弹体的侵彻过程与压入法测硬度相似。
No abnormity was found in the metallographical analysis and hardness test.
金相和硬度分析未发现明显异常组织和硬度分布。
After salt water spray test, their hardness did not change.
经盐水喷雾试验后，其对于硬度并不会有所影响。
By armor piercing test, the relationship between armor steel hardness and ballistic performance was studied.
通过穿甲试验，研究装甲钢硬度与抗弹性能之间的关系；
IRHD is the standard European test for rubber hardness.
IRHD是欧洲对橡胶硬度的标准测试。
IRHD is the standard European test for rubber hardness.
IRHD是欧洲对橡胶硬度的标准测试。
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