It is necessary to prevent the deformation of these three O-rings in the sealing problem of pressure tapping machine In the construction and assembly of pressurized openin......
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Although the O-ring is small in size and easy to be ignored, its important role in many places can not be ignored. After all, to a certain extent, it helps to ensure the e......
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Although the O-ring is small in size and easy to be ignored, its important role in many places can not be ignored. After all, to a certain extent, it helps to ensure the e......
Read more
