ʻO nā paipu kila ʻole no ka ʻeli lanahu
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ʻO nā paipu kila ʻole no ka ʻeli lanahu- GB/T 17396-2009
Hoʻohana nui ʻia ka paipu kila seamless no ka mine lanahu no ka hana ʻana i ka paipu seamless no
hydraulic prop i loko o ka lua lanahu.
