Hiki hou mai Kina Cdh-600u Hydraulic Underground Diamond Core Drill Rig

ʻO ka wehewehe pōkole:

'Oko'a ke 'ano o ka 'auwaha 'o 'oki 'ana i ka 'auwaha. Me ke ʻano TRD, ua kau ʻia nā mea hana ʻike kaulahao ma kahi ʻāpana ʻāpana lōʻihi "ʻoki pou" a hoʻokomo ʻia i loko o ka lepo, e hoʻoneʻe transversely no ka ʻoki ʻana a me ka ninini grout, ka hui ʻana, ka hoʻoulu ʻana, a me ka hoʻohui ʻana i ka lepo ma kahi kumu, i hiki hana i ka paia diaphragm ma lalo o ka honua. Ua hoʻomohala mua ʻia kēia ʻano hana ma Iapana i ka makahiki 1994 no ka hana ʻana i nā paia i ʻoki ʻia a i ʻole nā ​​paia diaphragm slurry, i hoʻohana nui ʻia i nā keʻena subway, nā ʻāina, nā paia impermeable e pale ai i ka haumia mai ka wai honua, etc. nā kahua hana ma Iapana mai ka makahiki 1990. Loaʻa ka hoʻomohala wikiwiki ʻana o ke ʻano TRD, ʻoiai ua hoʻokomo mua ʻia ʻo TRD i Kina i ka makahiki 2009. I ka makahiki 2018 wale nō, ʻo ka nui o nā wahi pā i hana ʻia e ke ʻano TRD a hiki i 1 miliona mau mika square a ʻoi aku ma mua o 80 mau papahana ma ka home.