(english) The bottom level of the boiler firebox where two oil guns are located. The oil guns are used if the boiler needs extra steam while on oil fire.

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ภาษาอังกฤษ B Elevation

ภาพประกอบ (english) The bottom level of the boiler firebox where two oil guns are located. The oil guns are used if the boiler needs extra steam while on oil fire.

  • (english) The bottom level of the boiler firebox where two oil guns are located. The oil guns are used if the boiler needs extra steam while on oil fire. ภาษาอังกฤษ?, คำศัพท์ช่างภาษาอังกฤษ - ไทย (english) The bottom level of the boiler firebox where two oil guns are located. The oil guns are used if the boiler needs extra steam while on oil fire. คำศัพท์ภาษาอังกฤษ (english) The bottom level of the boiler firebox where two oil guns are located. The oil guns are used if the boiler needs extra steam while on oil fire. แปลว่า B Elevation

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