STRUCTURAL STEEL AND WELDING TRADES WORKERS cut, shape, join and repair metal components of iron and steel structures, boilers, pressure vessels and pipes, ships and other vessels.
结构钢焊接技工切割、定型、并修理钢铁结构的金属部件、锅炉、压力容器及管道、船舶和其他容器。
STRUCTURAL STEEL AND WELDING TRADES WORKERS cut, shape, join and repair metal components of iron and steel structures, boilers, pressure vessels and pipes, ships and other vessels.
结构钢焊接技工切割、定型、并修理钢铁结构的金属部件、锅炉、压力容器及管道、船舶和其他容器。
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