- 重点词汇
- 相关例句
VH series ding smoke forare special for welding fume Produced by the welding site.
VH系列焊烟净化器,主要收集车间焊接现场所产生的有害致癌焊接烟尘.
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气路的设计和安装;为您精心打造安全的 、 科学的 、 绿色的实验室.
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The sample was dissolved in acid and acid , and acid fume was used to destroy fluorine.
试样以硝酸、氢氟酸溶解, 用高氯酸冒烟驱除氟.
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结果亦显示部份控制油烟设备的效率相当低,甚至显示负效率.
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Some manufacturers used a little fumed litharge and basic lead sulfate here also.
有些制造厂也用少量细质的一氧化铅和碱式硫酸铝.
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The silicone rubber reinforcing filler made by us can replace partly fumed silica.
制成的硅橡胶补强剂可部分取代气相白碳黑.
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Objective : To identify whether Radix Bupleuri ( Bupleurum chinense ) was fumed with sulfur.
目的: 鉴别市售柴胡是否用硫黄熏制.
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