In leatheroid, cent is bubble change and synthetic leather.在人造革中, 分为泡沫革和合成革.Introduced industry of our country leatheroid, synthetic leather to develop the current situation and characteristic.介绍了我国人造革 、 合成革行业发展现状和特点....
当然, 激光既可以是连续波,也可以是脉冲的形式.Laser light is, of course, available as a continuous wave or in the form of pulses.本文报导一种连续波氩离子 激光泵浦 的掺钛蓝宝石激光器.A continuous wave titanium - doped sapphire laser pumped by argon laser is :'rep...
Commonly a sporadic disease, actinobacillosis occasionally occurs in high incidence.放线杆菌病通常是一种散发性疾病, 但偶尔也有高的发病率.Actinobacillosis develops insidiously in soft tissues.放线杆菌病是在软组织中呈隐袭性发生的....