描述
人机接口故障常见的有球操作失效、控制操作失效、操作员站死机、薄膜键盘功能不正常、打印机不工作等。球标操作不正常一般是由于内部机械装置长期工作老化或污染,使触点不能可靠通断,或因电缆插接不牢固造成与主机不通信,这时只需将其更换检查即可。
PUMPING SYSTEM ALCATEL 2063 / RSV 300 B – REFURBISHED
Rotary Vane Oil Vacuum Pump with Motor MVP-216 NIB
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Edwards iPX100 Dry Pump – Used
NASH VACUUM PUMP, SIZE CL703
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one year warranty
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Shimadzu TMP2003LM-C Turbo Pump Used