安全保护Safekeeping of security 压缩机过热保护,过流保护,高低压力保护,超温保护,流量保护,相序 / 缺相保护,排气过热保护 , 防冻保护The compressor excessively hot protection, has flowed the protection,the height pressure protection, the ultra warm protection, the currentcapacity protection, the foreword/lacks protects, has exhausted thehot protection, frostproof protection