Induction Hardening Inner

induction ແຂງໃນການປິ່ນປົວດ້ານຜິວຫນັງໃນລວດ

induction heating hardening inside

 

 

 

 

 

 

 

induction heating inside

 

 

 

 

 

 

induction-heating-steel-inside

 

 

 

 

 

 

 

 

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