其核心过滤元件为滤筒，它由多层不锈钢金属网烧结而成。

Filter cylinders, the core parts of the device, are made of the multi-layer stainless steel wire.

youdao

其核心过滤元件为滤筒，它由多层不锈钢金属网烧结而成。

Filter cylinders, the core parts of the device, are made of the multi-layer stainless steel wire.

youdao