ms pan science student and professor soldering wires in laboratory / delhi, india - 焊接的 個影片檔及 b 捲影像00:12
ms pan science student and professor soldering wires in laboratory / delhi, india - 焊接的 個影片檔及 b 捲影像00:14
cu selective focus worker manufacturing solar photovoltaic cells at suntech power holdings factory, wuxi, jiangsu, china - 焊接的 個影片檔及 b 捲影像00:36
cu selective focus worker manufacturing solar photovoltaic cells at suntech power holdings factory, wuxi, jiangsu, china - 焊接的 個影片檔及 b 捲影像00:33
ms selective focus row of employees working on cells for solar photovoltaic panels at suntech power holdings factory, wuxi, jiangsu, china - 焊接的 個影片檔及 b 捲影像00:35
cu zo ms women in white coats soldering parts used to make solar hot water heaters, dezhou, shandong, china - 焊接的 個影片檔及 b 捲影像00:31
cu woman soldering parts used to make solar hot water heaters, dezhou, shandong, china - 焊接的 個影片檔及 b 捲影像00:16
cu la selective focus woman in white coat soldering parts used to make solar hot water heaters, dezhou, shandong, china - 焊接的 個影片檔及 b 捲影像00:20
1914 b/w ms pan man attaching bolts with soldering device in industrial yard/ russia - 焊接的 個影片檔及 b 捲影像00:18俄羅斯