Mike Krzyzewski is really a famous coach of Dream Team. She has coached north america men's basketball team for some time, that's clinched numerous medals for his country. Following London Olympic was over, Krzyzewski told The Associated Press that this game will be his final one as national coach, a job he's held for seven years. He had left open the possibility of staying with the team beyond the London Games, when practice on Saturday said these will be his last Olympics.When asked if he was sure, Krzyzewski didn't hesitate before again saying, "yes," this will be his last game "If we could win it, then it might be three major championships in a row, i always do not know when that has been done because we haven't usually won the globe championships," Krzyzewski said. "It becomes an enormous thing for the program." Whatever, he's an awesome coach. His achievement are going to be remembered by the country.

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人民電氣生産的CKJ-5真空接触器特点

2020/6/15 13:24:43      点击:

1 适用范围
CKJ5系列真空交流接觸器(以下簡稱接觸器),主要用于交流50Hz,額定工作電壓至1140V,額定工作
電流至630A的電路中,供遠距離接通和分斷電路之用,並可與適當的熱過載繼電器或電子保護器等有關
保護裝置組成真空電磁起動器,特別適用于組成隔爆型真空電磁起動器。
符合标准: GB 14048.4、 IEC 60947-4-1及JB/T 7122。

2 型号及含义

3.1 周围空气温度为:-5℃~+40℃,24h内其平均值不超过+35℃。
3.2 海拔不超过+2000m。
3.3 大气条件:最高温度为+40℃时,空气的相对温度不超过50%,在较低的温度下可以允许的有较高的
相對溫度,例如在20℃時達90%。對由于溫度變化偶爾産生的凝露應采取特殊措施。
3.4 污染等级:为污染等级3。
3.5 安装类别:安装类别为Ⅲ。
3.6 安装条件:水平和垂直方向安装,安装面与水平面或垂直面的倾斜度不大于±15°。
3.7 冲击振动:产品应安装和使用在无显著摇动、冲击和振动的地方。