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person:("WEI xiao")
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person:("WEI liao")
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person:("WEI qiao")
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person:("WEI jiao")
Multi-variety commercial vehicle tire automatic grabbing and mounting device and method
Non-contact type escalator multi-parameter measuring method based on photoelectricity testing part
Friction damping vibration attenuation pantograph for traveling crane on rail after earthquake
Common rail conveying and lifting appliance replacing system