... cold-pressure welding冷压焊 combined cutting and welding torch焊割两用炬 combined cutting and-welding blow-pipe焊割两用炬 ...
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... welding and cutting combine割焊两用机 welding and cutting torch焊割两用炬; 焊割两用气焊枪 welding apron焊工的围裙; 焊工围裙 ...
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... gas-blow-pipe 煤气吹管 combined cutting and-welding blow-pipe 焊割两用炬 combined cutting-and-welding blow-pipe 焊割量用炬 ...
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... 等压式焊（割）炬 high pressure blowpipe 焊割两用炬 combined blowpipe 乙炔发生器 acetylene generator ...
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