Ugbu a, e nwere ọtụtụ ụdị pneumatic akara igwe, na ọ ka mma iji ụdị akara igwe na-ebipụta ederede ụkpụrụ, ma e nwekwara ọtụtụ echiche mgbe ịzụrụ, ma ọ bụrụ na kwa ụbọchị marking workpiece ego bụ ihe na-erughị 1600, i nwere ike iji. akụrụngwa.N'ịzụta pneumatic ...
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