快三在线
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仪器的主要技术指标变倍比 1:7 目镜 10X目镜 物镜变倍范围 0.65X-4.5X 工作距离 95mm 目距调节范围 55mm-75mm 机头 倾斜45度 视度调节 ±5视度 机头能360度旋转 360
