welders的精選

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用“welders”造句大全，welders造句

用“welders”造句大全，welders造句

2018-01-22
ArcsmorereadilythanACwelders,withlongerarcing.Weldingoperationsareperformedbyappropriatelyqualifiedwelders.Inductionofmorethan310welders,areinpossessionoftherelevantDepartmentofLaborissuedcertifiedwel...