I went everywhere for treatment, tried all sorts of quacks.我四处求医，看过了各种各样的江湖郎中。Hard - working medical men may come to be almost as mischievous as quacks.辛勤工作的医生可能变成江湖郎中那样的骗子.When you go to the fair, beware of the quacks s...
通过改进的堆积法, 制备无间隙孔微结构光纤 ( MSF ).We an improved stacking - capillary method, which can fabricate the micro - structure fiber ( MSF ) without interstitial holes....