... field 1. marine fishery, 2. food processing 3. dye and pigment 4.Biopharmaceuticals 5.scientific experiment 6.Coal mine underground ... lack of water , reverse rotation , high/low voltage alarm , full of ice , etc. so as to ensure that the ice ... reliably , operated stably with lower problem occurrence and easily maintenance ,2. Using high-quality alloy and one-time shaping technique , the evaporator is ...