4WG means 4-pass Wet-back fire tube Boiler with Gun Burner in Commercial

Similar to 4WG

Acc.COP - According To The Custom Of The Port
ACCI - Association Of Crafts Creative Industries
ACCMP - Asphalt Coated Corrugated Metal Pipe
ACE - Air Circulating Embankment
ACES - Advanced Concept Ejection Seat
ACF - Activated Carbon Filter
ACFC - Air Cooled Flooded Chiller

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