型号冷媒R12R22R502R134aR404AR507R407CR410AM2-250-M-R134a√√√M2-500-M-R134a√√√M2-250-M-R22-R134a√√M2-500-M-R22-R134a√√M2-250-DS-R12√√√M2-500-DS-R12√√√M2-250-DS-R134a√√√M2-500-DS-R134a√√√M2-250-DS-R407C√√√M2-500-DS-R407C√√√M2-250-DS-SuperM2-500-DS-SuperM2-250-KPA-R12√√√M2-500-KPA-R12√√√M2-250-KPA-R22√√√M2-500-KPA-R22√√√M2-250-KPA-134a√√√M2-500-KPA-134a√√√M2-250-KPA-SuperM2-500-KPA-SuperM2-255-DS-R410A√M2-555-DS-R410A√