ship machinery fitter 船舶机械钳工
mining machinery fitter 矿山机械钳工
agricultural machinery fitter 农业机械钳工
textile machinery fitter-assembler 纺织坏安装工 ; 纺织机械安装工
machinery fitter-assembler 机械安装工 ; 坏安装工 ; 装配工
manufacturing machinery fitter 制造机械钳工
mining machinery fitter-assembler 采矿机械安装工 ; 采矿坏安装工
woodworking machinery fitter-assembler 木器加工机械安装工 ; 装配工
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