1) A lot of dust had blown in.
吹进来许多灰尘。
2) The dust has blown in.
灰尘被吹进来了。
3) ash blow and dust removal
吹灰除尘
1.
To avoid the damage to economization coal implement resonance in running, the theory that flowing liquid causes the vibration is applied to analyse that the vortices break frequency and overfall vibration frequency should be avoided in the course of ash blow and dust removal.
为了避免锅炉省煤器在运行中产生共振引发的危害 ,应用流体诱发振动的原理分析了在吹灰除尘过程中应尽力避开漩涡脱落频率 fw 与湍流抖振频率 fb 的观点 。
4) dust injection
除尘灰喷吹
5) He blew the dust off.
他吹掉灰尘。
6) DT
不进灰尘的
补充资料：灰尘
尘土：打扫～。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条