vacuum sealing grease

例句：

1. 1.This type of grease is commonly used in vacuum sealers to prevent air from entering the package.
   这种油脂常用于真空密封机中，以防止空气进入包装。
2. 2.The vacuum sealer uses this grease to create a tight seal around the food item.
   真空密封器使用这种油脂来在食品周围形成紧密的密封。
3. 3. Vacuum sealing grease is essential for maintaining the freshness and quality of perishable products.
   真空密封脂对于保持易腐产品新鲜和质量至关重要。