Welders电焊工人
weldv.焊接;使结合n.焊接;焊缝
welded liquefied petroleum gas cylinder焊接式液化石油气瓶
welding-up composite straighting roll堆焊复合矫直辊
Welding science and welding engineering论焊接科学与工程
Weld principle and production technique焊接原理及工艺
Welding procedure of wind-power tower风塔焊接工艺
welding engineering of National Stadium奥运(鸟巢)工程
welded I-section steel bracing member焊接工字钢支撑
welding/modern duplex stainless steel焊接/双相不锈钢