短語(yǔ)詞組短語(yǔ)Nd -doped YAG laser crystal 摻釹釔鋁石榴石激光晶體impulse nd -yag laser 脈沖ndnd yag solid -state laser ndyag固體激光器nd yag doubled -frequency laser 摻釹釔鋁石榴石激光Q -switch Nd-YAG Laser 釹 返回 nd yag-laser