outside casing liner

例句：

1. 1.The new car has a sleek, outside casing liner that makes it look more expensive.
   这款新车拥有光滑的、外观上档次的外壳衬里，看起来更显高档。
2. 2. The engineer designed the inside of the machine with attention to detail, but neglected the outside casing liner.
   工程师在设计机器的内部时非常注意细节，但忽略了外壳衬里。
3. 3. The company's marketing department is responsible for designing the outside casing liner and ensuring it meets customer expectations.
   公司的市场营销部门负责设计外壳衬里并确保其满足顾客期望。