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drilling machine drill pump product model:
shaft processing demonstration air conditioning movement rod product model:like | workpiece name: connecting plate workpiece material: 4 5 # processing aperture: 1 7 learn more to view the videolike | learn more to view the video for drilling and forging steel valve product model:report | workpiece name: reducer housing machining hole size:like | workpiece name: iron plate workpiece material: iron processing aperture:report | processing valve product model:like | submitted by netizens on their own initiativepeople
workpiece name: ratchet shaft workpiece material: 4 5 # machining hole size:kaitao.com