“投影器”造句
将负片记录之一放入
投影器的物平面内.
Place one of the negative records in the projector object plane.
能使用测径规, 千分尺, 测量仪表,轮廓测定
投影器, 块规.
Ability to use Callipers, Micrometers , Gauges, Profile Projector, Gauge Block.
切口边缘被
投影器放大了,目的是方便测量和观察.
The cut edge is magnified with a projector to aid measurement and visual inspection.