n.a craftsman who installs and maintains equipment for ventilating or heating or refrigerating
同义词：steamfitter
Steam-fitter's appliance
Training Plumbers, Steamfitters, and Pipefitters
The censor, the steam fitter and Anita Loos: Or, the silent film adaptation of Gentlemen Prefer Blondes (1928)
George Rios et al., Petitioners V. Enterprise Association Steamfitters, Local No. 638 of U.A., et al. U.S. Supreme Court Transcript ...
Essential Skills for Success as a Steamfitter-Pipefitter
Recruitment and retention of women in the steamfitter/refrigeration apprenticeships of Madison and southeastern Wisconsin
Pipelayers, Plumbers, Pipefitters, and Steamfitters
Essential skills for success as a steamfitter-pipefitter
Steamfitter/Pipefitter /
Steamfitter-pipefitter /
