Ukugweba umgangatho wentonga ye-welding, inokuvavanywa kule miba ilandelayo: ukuchaneka kobungakanani bebha ye-threaded: Sebenzisa ii-calipers, ii-micrometers, iiprojektha kunye nezinye izixhobo zokulinganisa ububanzi, i-pitch, i-angle ye-helix kunye nezinye iiparameters ezinobungakanani be-screw lead ukuya. qinisekisa ukuba idimen...
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