air suction casing

例句：

1. 1.The vacuum suction casing is designed to keep the air inside the room clean.
   真空吸嘴外壳设计用来保持房间内的空气清洁。
2. 2. The vacuum suction casing is easy to install and remove, making it a popular choice for many households.
   真空吸嘴外壳易于安装和拆卸，因此成为许多家庭的热门选择。
3. 3.The vacuum suction casing is made from high-quality materials, ensuring long-lasting performance.
   真空吸嘴外壳由高质量的材料制成，确保了持久的性能。