кратность воздухообмена(Air changes per hour, or air change rate, abbreviated ACH or ac/h, is a measure of the air volume added to or removed from a space (normally a room or house) divided by the volume of the space. If the air in the space is either uniform or perfectly mixed, air changes per hour is a measure of how many times the air within a defined space is replaced. wikipedia.orgrefusenik)
система ACH(An electronic funds transfer system available in the United States that facilitates the transfer of funds between receiving party and originating party bank accounts)
случиться может всё(anything can happen • Can you tell me what today is and what "ACH" stands for? – Today is Halloween, and I have no idea what "ACH" stands for. – No candy for partial answers. – Harper? – Anything can happen.ourboard.orgDominator_Salvator)
