Ma lalo o ka rig puka

Ma lalo o ka lua wili - hiki ke hoʻohana ʻia no ke kūkulu ʻana i ke kūlanakauhale, ke kaʻaahi, ke ala nui, ka muliwai, ka wai a me ka ʻenekini uila e wili ana i ka lua o ka heleuma, ka puka heleuma, ka lua puhi, ke kūkulu ʻana i ka lua grouting.1, hoʻohana ka mīkini hoʻoheheʻe submersible i ka mīkini e ka mea hoʻemi kiʻekiʻe no ka mana rotary;E hoʻohana i nā cylinders no ka hoʻoulu ʻana.Hoʻokuʻu ʻia ka ʻōnaehana hydraulic, no laila ke kiʻekiʻe ka hana mechanical, haʻahaʻa ke kumukūʻai a paʻa ka hana.2, me ka pale anti jamming, i ka wā e paʻa ai ka mea hana wili, ʻaʻole maʻalahi ke puhi ʻana i ka mīkini, ʻaʻole maʻalahi ka mea hoʻemi i ka pōʻino.3, māmā a maʻalahi hoʻi e neʻe, ʻo ka nui o ke kaumaha o ka mīkini wili submersible ma lalo o 500Kg, a hiki ke decomposed i ʻekolu mau ʻāpana, maʻalahi e neʻe, papa.4, ʻo ka hoʻohana ʻana i ka pā wili wili, ʻaʻole maʻalahi ke ʻaʻahu.5, DTH drill apono semi-akomi disassembly drill paipu, kiʻekiʻe hana pono.