photoelectric element光电管Training simulator system for photoelectric collimator is designed for the manual operation of photoelectric collimator.光电瞄具模拟训练器是为解决光电瞄具的使用操作而设计的.Photoelectric spectrophotometers give better resu...
软弱的心从来不能赢得窈窕淑女的芳心.Faint heart ne'er won fair lady.伊丽莎白的嘲笑讽刺, 正将那些自视绅士 、 淑女的贵族的本来面目暴露无疑.Elizabeth's ridicule satire, is as these gentry, virtuous young woman's aristocrat's original appearance expositi...