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- Health standard for respirable coal dust in the air of workplace 作业场所空气中呼吸性煤尘卫生标准
- Keywords respirable coal dust;pneumoconiosis;dose-response relationship;life table; 呼吸性煤尘;尘肺;剂量-反应关系;寿命表法;
- respirable coal dust 呼吸性煤尘
- Objective:To find if the results got by respirable coal's method accord with those got by total dust's method. 目的:呼吸性煤尘测试方法是否与总尘的测试方法所得的结果一致。
- His face and hands were covered with coal dust. 他的脸和双手沾满了一层煤灰。
- His face and hands were covered with grime from the coal dust. 他的脸和双手沾满了一层煤灰。
- A block of compressed coal dust, charcoal, or sawdust and wood chips, used for fuel and kindling. 煤砖，炭砖把煤灰，木炭或锯木灰和木片压缩制成的砖块状物，用作燃料和点火
- His face and hands were coverd with grime from the coal dust. 他的脸和双手都沾满了煤灰和污垢。
- He became ill after breathing in a lot of coal dust. 他吸入大量的煤灰之后病了。
- The modern city consists of monstrous edifices and of dark narrow streets full of petrol fumes, coal dust, and toxic gases. 现代城市是由大得怕人的大厦和充斥着难闻的汽油味，煤灰和有毒气体和又阴暗又狭窄的街道所组成。
- He became ill after breathing coal dust for many years. 他因多年吸入煤灰而生病了。
- His face and hands were covered with grime from the coal dust . 他的脸和双手沾满了一层煤灰。
- Coal worker's pneumoconiosis results from inhalation of coal dust. 煤炭工人的煤尘肺是由吸入煤矿粉尘引起。
- He carried out trial runs using rockets stuffed with coal dust. 他用填满煤粉的火箭式烟火装置来进行试验。
- Waste from anthracite coal mines,consisting of fine coal,coal dust,and dirt. 无烟煤废渣无烟煤煤矿的废弃物，由细粒无烟煤、煤尘和尘土构成
- Waste from anthracite coal mines, consisting of fine coal, coal dust, and dirt. 无烟煤废渣无烟煤煤矿的废弃物，由细粒无烟煤、煤尘和尘土构成
- He moved the coal cakes away, and there was only coal dust left on the floor. 他把煤饼搬走了，地下只剩下一层煤末。
- It took me a whole afternoon to make this coal dust into coal cakes. 我用了一下午的时间把煤末做成了这些煤饼。
- A block of compressed coal dust,charcoal,or sawdust and wood chips,used for fuel and kindling. 煤砖，炭砖把煤灰，木炭或锯木灰和木片压缩制成的砖块状物，用作燃料和点火
- Two little dogs Sat by the fire Over a fender of coal dust;Sad one little dog,If you do not talk, why, I must. 两只小狗狗，坐在火炉旁，靠在围栏上；一只小狗说，你老是沉默，只好听着我。
