ผลการค้นหา

Elevation

แปลว่าค่าระดับ [สำรวจ]: รูปตั้งด้าน [ช่างก่อสร้าง]

B Elevation

แปลว่า(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.

A Elevation

แปลว่า(English) The top level of the boiler firebox where four oil guns are located. The oil guns are used to produce steam and maintain pressure while the boiler is on oil fire.