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下向焊接 meaning in Chinese

down hill direction welding
downhandwelding

Examples

  1. Welding frocedures for vertical down stick welding of pipes
    管道下向焊接工艺规程

Related Words

  1. 焊接
  2. 下向风
  3. 下向焊
  4. 下向和上向通风筒吸排气两用通风机
  5. 下向回采
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