boiler tube
短语词组
- seamless boiler steel tube 无缝钢管
- boiler water tube 锅炉水管
- boiler r tube cleaner 锅炉管清洁器
- boiler r tube 锅炉管;炉管
- boiler convection tube bank 锅炉管束
- boiler front tube plate 锅炉烟管前板
- boiler back tube plate 锅炉烟管后板
- boiler water tube detail 锅炉水管
- boiler generating tube 锅炉蒸汽产生管 返回 boiler tube