系列 S-T系列 3C证书编号 0611 额定电流 63A 极数 3极 主触头触点形式 1 辅助触点型式 0.8 线圈电压 220V 线圈频率 45Hz 线圈电源 12 额定电压 220V 约定发热电流 54378 工作海拔高度 57 工作环境温度 54367 外形尺寸 453mm 灭弧介质 空气式 主触头极数 三极 产品系列 4537 飞弧距离...
Over the past five years China has emerged as the world's largest global surplus economy; indeed by 2007-08 the size of its surplus relative to its GDP was of a magnitude unprecedented for a large trading economy. This development is especially surprising since in the first twenty-five years...