最好的光泽放大镜为你的汽车，轿车，卡车，拖拉机(笑)，飞机，轮船，摩托车，玻璃，不锈钢，玻璃钢，车轮和铬可用。
The finest gloss magnifier for your auto, car, truck, tractor (lol), airplane, boat, motorcycle, glass, stainless steel, fiberglass, wheels and chrome available.
利用光学显微镜、扫描电子显微镜和电子探针研究了不同保温时间对钢液中非金属夹杂物的形状、成分和尺寸的影响。
The effects of different holding times on the shapes, compositions and sizes of the inclusions were investigated by using optical and scanning electron microscopes and by the electron microprobe.
采用光学显微镜、扫描电镜等分析手段，对45钢大齿轮传动轴断裂表面的金相组织、断口形貌进行了分析和检测。
The metallurgical structure and fracture morphology on gear transmission shaft of 45 steel were analyzed by means of optical microscope and scanning electron microscope.
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