我们的调查显示这些过敏多为一次性反应。Our survey revealed that these allergies were mainly one-offs.对猫类过敏是哮喘病发作最常见的诱因之一。Allergy to cats is one of the commonest causes of asthma.有些孩子会对豆浆过敏。Soya milk can cause allergic reactions in some chil...
The influence of SG inoculant on graphitizing annealing of malleable cast iron was investigated.研究了SG变质剂对可锻铸铁石墨化退火的影响.Medium frequency transformer quenching is used for workpiece diathermy, quenching, annealing, brazing,...
You have done a brave act and you will hear about it.你干了一件勇敢的事,你将会受到奖赏的.You always hear about planes being delayed because of technical faults.你总能听到由于技术事故而使飞机迟期起飞的事.What you hear about may be false; what you see is true....