由深圳市华测计量技术有限公司到现场实际观察钨管表面质量,使用标准测量器具对钨管的外径、高度进行测量。
The surface quality of the tungsten tube was observed by Shenzhen Huatao Measurement Technology Co., LTD., and the outer diameter and height of the tungsten tube were measured with standard measuring instruments.