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API 7-1 Mea hana wili ʻāpana pahu pahu
ʻO ka moʻolelo huahana ʻO ka ʻāpana wili kahi ʻano mea hana wehe puka aniani e hoʻohui i nā hana ʻoki pahu a me nā hana wili. Holo ka mīkini ʻāpana i loko o ka pahu me BHA, a ʻoki i ka pahu ma kahi i koho mua ʻia. Ma hope o ka ʻoki ʻia ʻana o ka casing, e wili pololei ʻia mai kēia kūlana. Ma hope o ka hiki ʻana i kahi hohonu, ua pau ka hana wehe ʻana i ka puka aniani. ʻO ka wili pauku nā mea maikaʻi o ka hoʻolālā maʻalahi, ka hana maʻalahi e hana i kahi ca maikaʻi loa ...
Keena 703 Hale B, Greenland kikowaena, Hi-tech development zone Xiʻan, Kina
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