Ltd by breaking through traditional cold-bending forming change on OD 114 mm high frequency welded pipe units.
上海申花钢管有限公司在114高频焊管机组上突破传统冷弯变形方法，设计出强力焊管。
2
In addition, a cold test model is designed based on a set of designed clustered cavities, the amplitude frequency response of each cavity is measured with network analyzer.
此外，对一套加工成形的簇腔模型进行了冷测模型设计，并使用网络分析仪测量了各个腔体的幅频响应。
3
Methods Cold circulation radio-frequency therapy was performed in 58 nodules of 41 patients with hepatic carcinoma.