In electronic industry, they serve as the surface treatment of wax matrix and metal cleaner. Besides, they can be used as finish milling fluid for opticalinstrument.
在电子工业上可用于蜡模的表面处理和作为金属清洗剂，此外可作为光学仪器的精磨液等。
2
An intelligent instrument based on infrared guidance head system consists of optical, mechanical, electronic and computer technologies for measuring infrared imaging facula.
研制成一种集光、机、电、算于一体的智能化的红外成像光斑测试仪。
3
The microstructure, properties and cracks of the fractured cold pressing die made of 45 steel were analyzed by optical microscope, scan electronic microscope and micro-hardness instrument.