吸烟导致每年有1万人死于慢性肺病。10,000 deaths a year from chronic lung disease are attributable to smoking.不用说，有肺病的人不应吸烟。It goes without saying that if someone has lung problems they should not smoke.每天上班我都要医治那些因吸烟患上肺病的垂危患者。Every worki...
More and more companies have gone 'green' and started producing so-called environmentally-friendly products.越来越多的公司变得“环保”起来，开始生产所谓的环境友好型产品。...products to moisturise, protect and firm your skin...润肤、护肤和紧肤产品New p...
负荷增大, 熔敷金属试样的磨损也呈增加趋势.Moreover , the wear of deposited metal samples increases with load increasing.通过试验研究了焊条药皮碱度对熔敷金属脱硫脱磷行为的影响.Effect of basicity of electrode coating on desulphidation and dephosphorization is studied.冷...