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ʻO ka hana ʻana i nā bit drill bits HDD no ka wili ʻana corssing
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ʻO ka hale hana API o No-dig Pilot tricone bit no HDD drilling rig
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ʻO ka HDD tricone roller cone bits metala i hoʻopaʻa ʻia no ka wili ʻana
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ʻO ka HDD tungsten carbide e hoʻokomo i ka hale hana wili pōhaku tricone
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ʻO Tricone pilot rokc bit 7 7/8″ 200mm IADC537 no ka ʻeli ʻana o HDD
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API no ka wili luawai paakiki
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API wili niho HDD pilot drill bit IADC127 no ka pohaku paakiki
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Kūʻai nui ʻo Kina i nā bits drill pilot HDD no ka pōhaku paʻa i ka waihona
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ʻO ka hale hana API o HDD drill bits mea hoʻolako no ka pōhaku paʻakikī ke kumu kūʻai hoʻemi
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ʻO nā ʻāpana wili pōhaku tricone HDD no ka wrenchless a me ke kumu
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hale hana API o ka auwaha tricone drill bits no ka lua pilot