Experimental results show the system performance is greatly improved by the above mentioned methods and the fine defects in the tube's outer wall can be detected reliably.
Experimental results show the system performance is greatly improved by the above mentioned methods and the fine defects in the tube's outer wall can be detected reliably.
实验结果表明，采用上述方法后系统性能得到很大提高，可以有效检测出管道外壁的细微缺陷。