Monday, September 12, 2022
超声波探头的实际声场中,声束轴线上不存在声压为零的点。...
Friday, September 16, 2022
在同一材料中,如果提高某波形的超声波频率,则一定直径晶片的近场长...
Friday, September 16, 2022
Friday, September 16, 2022
Friday, September 16, 2022
磁粉检测是一种无损检测方法,这种方法可以用于检测:()...
Friday, September 16, 2022
根据在工件中形成磁场的方向,一般可以分为()磁化、()磁向和()...
Friday, September 16, 2022
与传统的RT比较,实时射线检测法(Real TimeRT)的优点...
Monday, September 12, 2022
焊接时由于熔化的焊材与母材基体的坡口面没有完全熔合为一体的现象叫...
Friday, September 16, 2022
Tuesday, September 13, 2022
T型焊缝和角焊缝在超声波检测方法上与对接焊缝有什么不同?...
Monday, September 12, 2022
横波探头在检测过程中,斜楔将会磨损。下列说法错误的是()。...
Friday, September 16, 2022
Monday, September 12, 2022
Monday, September 12, 2022
Monday, September 12, 2022
Monday, September 12, 2022
Monday, September 12, 2022
Tuesday, September 13, 2022
Friday, September 16, 2022
Friday, September 16, 2022