metal covering

• 金属包皮

metal covering的用法和样例：

例句

1. A metal cover or cowl for a hearth or stove.
   排风罩用于炉床或炉子的金属盖或罩
2. A removable metal covering for an engine, especially an aircraft engine.
   整流罩发动机尤指飞机引擎的可以活动的金属罩