压力钢管组合钢衬垫单面对接焊工艺

万月英，黄佩兵，胡丽娟

One side butt welding procedure of combinatorial steel liners of steel penstock

WAN Yueying, HUANG Peibing, HU Lijuan

华电技术 . 2016, (9): 55 -55 .