描述
时钟系统停电后，首先进行清洁工作，确保主时钟和GPS标准时钟装置无灰、无污渍；然后检查主时钟各通道接口连接正确，确保通信电缆完好无损；并且检查GPS天线插头应接插可靠牢固无松动、无破损断裂、安装垂直，四周应无建筑物或杂物遮挡。
LPHR55312 SIHI VACUUM PUMP
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Alcatel/Adixen ATP 150 Vacuum Turbo Pump: Surplus New
One-day shipping available
Oerlikon Leybold WS-251 Vacuum Blower Rebuilt P 1 yr
