BOILERS STEAM & HOT WATER H2OTUBE(STRAIGHT, BARE & FINNED TUBE)CAST IRON AND FIREBOX PKG TYPE (40,000- 35,000,000 BTU/HR THERMAL OUTPUT CAPACITY) (SUPERSEDING MIL-B-18897E) (NO S/S DOCUMENT)
锅炉蒸汽和热水水管(直管、裸管和翅片管)铸铁和燃烧箱PKG型(40000-35000000 BTU/HR热输出能力)(取代MIL-B-18897E)(无S/S文件)