After the coating solidifying, the pipe test should be done with defectdetector under the specified voltage.
待涂层固化当前，要应用缺陷检测器在涂料技术标准中规定的电压下对钢管进行检测。
2
Under the control of computer, the ship crawl drives two probes which are arranged on both sides of the weld and move towards the weld. When a defect is scanned, the detector will alarm and make am...