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- 現代城市是由大得怕人的大廈和充斥著難聞的汽油味,煤灰和有毒氣體和又陰暗又狹窄的街道所組成。
The modern city consists of monstrous edifices and of dark narrow streets full of petrol fumes, coal dust, and toxic gases.
- 污垢,灰垢黑色髒物或煤灰,尤指附著或深嵌在一個表面上的污垢
Black dirt or soot, especially such dirt clinging to or ingrained in a surface.
- 你臉上有塊煤灰污跡。
You'vegot a smudge of soot on your cheek.
- 一種新的濕排粉煤灰活化處理方法
A new kind of method to activate wet fly-ash
- 粉煤灰配製防水混凝土的套用研究
A study on application of leak-proof fly ash concrete in projects
- 粉煤灰火山灰反應性及其反應動力學
POZZOLANIC REACTIVITY AND REACTION KINETICS OF FLY ASH
- 用X射線法快速測量煤灰量
Rapid determination of ash content in coal by X-ray method
- 粉煤灰抑制鹼骨料反應研究
The Research of Controlling AAR with Fly Ash