n.箱，盒，套，罩
casing的复数

The pipe had a strong casing made of steel.
这根管子有一个坚固的钢制外壳。
The bulletproof vest had a Kevlar casing for added protection.
防弹背心采用了凯夫拉尔材料的外壳以增加防护性。
The electronic device was encased in a sleek aluminum casing.
该电子设备被装在一个光滑的铝制外壳中。
The well was lined with a concrete casing to prevent collapse.
水井用混凝土套管进行了加固以防止坍塌。
The guitar's wooden body was covered with a beautiful leather casing.
吉他的木质琴体被美丽的皮革外壳包裹。
The cable is protected by a durable plastic casing.
电缆由耐用的塑料外壳保护。
The watch had a stainless steel casing that resisted water damage.
这块手表有一个抗水损的不锈钢表壳。
The phone's casing came in various colors, including rose gold.
手机的外壳有多种颜色可选，包括玫瑰金。
The engine's cylinder had a sturdy metal casing for heat dissipation.
发动机的气缸有一个坚固的金属外壳用于散热。
The camera featured a retro-style leather casing, giving it an old-fashioned charm.
这款相机具有复古风格的皮革外壳，赋予了它一种老式魅力。