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person:("LI jinfeng")
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person:("LI xianfeng")
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person:("LI linfeng")
Transfer equipment with anti-collision structure for rice processing
Installation equipment for hydrogeological surveying and mapping equipment
Variable control valve structure, variable displacement motor and engineering machinery
Plane three-freedom-degree simulation air bearing table and operation method thereof
Transportation and installation bracket for upside-down equipment
Automatic power-off processing method, device and system