部分患者有接触金属粉尘、特殊化学物质史。
Some of them had exposed to metal dusts and special chemical substance.
铣床上的电动机都是全封闭的，以防止金属粉尘进入。
Motors on the milling machines are totally enclosed to guard against ingress of metallic dust.
铸造间、打磨间、通风应良好，员工操作时应带防护口罩，防止金属粉尘给员工身体带来不利。
Good ventilation is required in the casting shop and sanding shop. Operators must wear protective gauze mask to prevent harm from metal powder to human body.
铸造间、打磨间、通风应良好，员工操作时应带防护口罩，防止金属粉尘给员工身体带来不利。
Good ventilation is required in the casting shop and sanding shop. Operators must wear gauze mask at work to prevent harm of metal powder to human body.
在铸造间、打磨间要有良好的通风装置，员工须戴防护口罩，防止吸入金属粉尘对身体带来不利。
Good ventilation is required in the casting shop and sanding shop. Operators must wear protective gauze mask to prevent intake of metal powder through respiration to harm human body.
金属粉尘的燃烧产生更多的热和辐射，有些金属粉尘的燃烧火焰的温度非常高，远高于其他可燃物质。
Metal dust fires have the potential to radiate more heat and some metals burn at extremely high temperatures in comparison to other combustible materials.
普遍遇到的易燃粉尘包括如木屑，粮食灰尘，纤维素，烘烤如面粉，鱼粉和材料洗涤剂，碳粉，维生素C或金属粉尘以及。
Widely encountered combustible dusts include eg sawdust, grain dust, cellulose, baking flour and fish meal and materials such as laundry detergents, toner, vitamin C or metallic dust as well.
以废物能源公司为例，其首先赚取“门头费”，然后是为产生的能源收费，和在粉尘中的金属回收费。
A waste-to-energy firm, for example, earns "gate fees" for taking the waste in the first place, as well as payments for the power it generates and any metals it recovers from the ash.
严格控制煤矿、金属非金属矿山、危险化学品、烟花爆竹、涉爆粉尘等高风险作业场所操作人员数量。
Strict control of coal mines, metal and nonmetal mines, dangerous chemicals, fireworks, explosive dust and other high risk workplace operators.
职工接触的职业有害因素以有机溶剂、粉尘和噪声、刺激性气体、金属毒物为主。
The occupational main hazard substances that the subjects contacted were organic solvent, productive dust and noise, irritant gas, metal poison.
金属纤维毡能够满足燃煤锅炉烟气的除尘要求，特别是对小颗粒粉尘有很好的去除作用。
The metal fiber felt can meet the requirements of dust removal for coal-fired boiler flue gas, and it has a better removal effect especially on little granular dust.
很多常见的可燃物质在以粉尘状态出现的情况下是可以爆炸的，例如金属、木材、煤。面粉、糖、塑料和其它的化学品和药品。
A wide range of common combustible materials can explode in finely powdered form, including metals, wood, coal, flour, sugar, plastics, and many chemicals and pharmaceuticals.
很多常见的可燃物质在以粉尘状态出现的情况下是可以爆炸的，例如金属、木材、煤。面粉、糖、塑料和其它的化学品和药品。
A wide range of common combustible materials can explode in finely powdered form, including metals, wood, coal, flour, sugar, plastics, and many chemicals and pharmaceuticals.
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