1) clouds of dust
尘土遮天
2) The dust was blown about all over the sky by the wind.
风刮尘土漫天扬。
3) tent
[英][tent] [美][tɛnt]
天遮
4) dust
[英][dʌst] [美][dʌst]
尘埃;尘土
5) dust
[英][dʌst] [美][dʌst]
尘土
1.
Analysis of the water soluble salts in airborne dust samples collected in Beijing has been carried out by various analytic methods, the results show that K +, Na +, Ca 2+ , Mg 2+ , NH 4 + , SO 4 2- , NO 3 -, Cl -, F -, HCO 3 - and NO 2 - exist in the water solution of dust.
对北京尘土中水溶性成分进行了分析测定 ,结果表明 :水溶性成分中含有K+ 、Na+ 、Ca2 + 、Mg2 + 、NH4 + 、SO4 2 - 、NO3- 、Cl- 、F- 、HCO3- 、NO2 - 等离子。
2.
The effect of electrical charged dust particles on electric contact and the method for measuring electric charges are discussed.
阐述了尘土颗粒带电对电接触可靠性的影响以及测量电荷的实验方法,并采用密立根方法对尘土颗粒的带电量进行了测量。
3.
Regarding bad condition of oil, carbon powder and dust enter into Generator stator and dust enter excitor stator and high temperature of the excitor stator coil.
针对发电机静子漏进油、碳粉、尘土 ,励磁机静子漏进尘土等物 ,励磁机静子线圈温度高等不良现象 ,提出改进方案 ,实施后效果良好。
补充资料：尘埃
1.飞扬的灰土。 2.犹尘俗。 3.指社会的底层。 4.喻肮脏或肮脏的东西。 5.污染，蒙受污秽。
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