The unit operation, a solid particles of dust and impurities by gravity, inertia diffusion, contact resistance leave, static comprehensive effect, dust settlement piling up in filtering elements.

机组运行时，大量灰尘和固体颗粒杂质由于重力、惯性扩散、接触阻留、静电等综合作用，灰尘沉降堆积在过滤元件上。

youdao

With inventories piling up, Korean automakers are using barely 40% of their 4.5 million unit annual capacity, half the level of two years ago.

FORBES: Why Korea needs a Margaret Thatcher

With inventories piling up, Korean automakers are using just 40% of their 4.5 million unit annual capacity, half the level of two years ago.

FORBES: Why Korea needs a Margaret Thatcher