湿型砂原材料质量测定方法(3) 关键词:蠕铁缸盖;蠕化率;超声波声速法;检测 [gap=980]Key words:vermicular iron cylinder head;ven~nicu]Larity;ultrasonic velocity test;inspection
基于1个网页-相关网页
ultrasonic velocity test
超声波测速
以上为机器翻译结果,长、整句建议使用 人工翻译 。
The dispersive characteristics of the Rayleigh waves propagated in the layered media are investigated experimentally by ultrasonic detection test, especially in the presence of a low-velocity layer.
通过超声实验研究了沿分层介质,特别是含有低速层的分层介质传播的瑞利波频散特征。
youdao
应用推荐
模块上移
模块下移
不移动