for the HVAC tonnage required for a given space. One ton of cooling capacity is equivalent to 12,000 BTUs per hour. A 3 ton AC unit can cool a space by 36,000 BTUs per hour, accommodating most moderately sized homes, while a 4 or 5 ton AC unit may be required for larger homes....
a船舶吨位 ship tonnage;[translate] a当蝴蝶穿过梦中的花园向我走来 When in the butterfly traversing dream garden walks to me[translate] adeliver status 提供状态[translate] a中国可能会计算税费 China possibly can calculate the taxes and fees[translate]...