Structural Iron and Steel Workers(结构性钢铁工人) Aircraft Mechanics and Service Technicians(飞机机械师和维修技术人员)
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structural iron and steel workers
结构钢铁工人
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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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