nickel bare welding filter metal

例句：

1. 1.The new machine uses a nickel-base alloy that is more durable than traditional materials.
   这台新机器使用了比传统材料更耐用的镍基合金。
2. 2.The engineers used a bare welding technique to create a seamless joint in the metal.
   工程师们使用裸焊接技术在金属中创建了一个无缝接合。
3. 3.The filter metal is crucial for maintaining the cleanliness of the air in the room.
   过滤器金属对于保持房间内空气的清洁至关重要。