With the increased weight of the ship section since 1992 the technologies of hull workshop and assembly and welding shop have been developed . The large-span large column and super crane for great tonnage technologies hve been introduced .

自1992年以来，随着造船船体分段吨位的增加，原有的船体车间、装 焊 车间在技术改造中均朝着大跨度、大柱距、大吨位吊车的方向发展。

Research on Improving Welding Clamp in Automobile Body Shop

汽车制造业车身 车间 焊钳改进的研究

Test results show that the system can operate well in the welding shop .

使用结果表明，该系统可以在干扰较严重的 焊接 现场使用。

Welding seam performed in prefabrication shop denote with S .

在预制 厂 焊接的焊缝，用“S”表示。