tripack film

例句：

1. 1. This tripack film is designed to protect delicate electronics from damage.
   这种三包薄膜设计用来保护易损的电子设备免受损害。
2. 2.The manufacturer offers a lifetime warranty for all tripack films sold in the market.
   制造商为市场上销售的所有三包薄膜提供终身保修。
3. 3. The tripack film was used to wrap the fragile artifacts during transportation.
   在运输过程中，这种三包薄膜被用来包裹那些易碎的文物。