锅炉密封
- 网络boiler seal; boiler sealing
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锅炉密封
boiler seal
...封boiler sealgu0lu mlfeng 锅炉密封(boiler seal)在锅炉受热面本身 和各受热面相互间以及各穿墙管处装焊金属密封件, 以有 …
boiler sealing
锅炉密封,boiler... ... ) sealed furnace 密封炉 ) boiler sealing 锅炉密封 ) closed fire room 密封锅炉舱 ...
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