<强>步入式冷藏柜被定义为经工程改造的，冷藏储藏室。  They can be found in restaurants, food storage facilities, convenience stores, and research laboratories.  A walk-in cooler should be able to maintain a temperature as low as 35 degrees F.  They are pre-engineered or pre-fabricated units that come in both standard and custom sizes.  Custom walk-in coolers can be manufactured to meet specific size and shape requirements.