ruby alignment laser 红宝石测距激光器

laser alignment [矿业] 激光指向 ; 激光对中

method of laser alignment [测] 激光准直法

laser alignment telescope 激光瞄准望远镜

alignment-laser 激光准直光源

laser alignment instrument 激光导向仪

laser interferometric alignment 激光干涉对准

laser alignment error 激光准直误差

laser induced alignment 激光感生准直