The ecological environment of waterlogging land in Four-lakes Region was influenced both by natural and human-caused disturbance factors. 自然与人为干扰共同作用于四湖地区的涝渍生态环境。
Scanning speed adjustment and imperfection location of plate waterlogging ultrasonic testing are introduced in this article. 文章介绍了钢板水浸超声检测扫描速度的调节以及实际探伤中缺陷的定位。