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Φ114~Φ610mm高頻焊管

高頻焊管生產線-排輥成型


SCPG002

SCPG005

SCPG001

直緣排輥成型


SCPG003

成型過程


SCPG004

符合自然邊緣彎曲的成型方式


国产亚洲精_精品在线久_中文字幕三级片_久久99精品免费
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