...the insanitary conditions of slums...贫民窟极不卫生的环境a beautiful garden amid the squalor of the slums位于肮脏的贫民窟中的美丽花园As a social worker, she does a lot of work in slums.作为一个社会工作者, 她在贫民区做了大量的工作。Many distinguished men have emer...
It was discussed that the technique of carbonization using limekiln gas and water glass.探讨了利用工业废弃物石灰窑气和水玻璃,采用碳化法制备白炭黑的工艺过程.The effects of impurities content on the CO 2 content in limekiln gas described.论述了影响石灰窑气除CO2外其它物...