Satellite mobile ship monitoring technology solution

Satellite technology for maritime navigation can be traced back to the first generation of satellite navigation system TRANSIT in the 1960s, but this satellite navigation system was originally designed to serve the polar regions and cannot be continuously navigated. The time interval of positioning

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The meaning of self-priming pump in mini pump

Now on the market there are all kinds of micro-pump | micro-circulation pump | micro-pump | high-pressure micro-pump | liquid sampling pump | small pump | self-priming pump | DC pump | diaphragm pump, whether self-priming function, mainly see the following two points : 1. Self-suction means: the p

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Vibration test and analysis in fan operation

Vibration test and analysis during fan operation Before the fan is ready to start, the sensor of the vibrometer is placed in the horizontal direction of the bearing seat at both ends of the fan. After the fan is started normally, under the condition of normal air volume, wind pressure and speed,

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