通过对联合循环余热锅炉螺旋翅片管与集箱焊接的组件的制造工艺进行改进，降低了装配难度。
Though the improvement of manufacture technology of the modules welding between spire-wing tube and header for combined cycle heat recovery boiler, difficulty of the assembling was shortened.
锅炉工及相关设备的装配工和金属结构制造者的行业认证(非建造业)是可用的，而在魁北克省是自愿考取。
Trade certification for boiler and related equipment assemblers and structural metal fabricators (non-construction) is available, but voluntary, in Quebec.
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