Hydraulic kev daws teeb meem rau aerial ua hauj lwm tsheb kev lag luam
Dav siv nyob rau hauv kev tsim kho, kho kom zoo nkauj, hluav taws xob fais fab, lub nroog thiab loj kev lag luam thiab mining tuam txhab tsim, installation, txij nkawm thiab lwm yam aerial ua hauj lwm zaus.
Xyoo 1980, nws tau los ua ib qho ntawm cov neeg muab khoom tseem ceeb ntawm Baosteel Joint Research thiab Development Center.Xyoo 1992, peb pib koom tes nrog Mitsubishi Heavy Industries ntawm Nyiv hauv kev tsim cov roj kheej kheej.Los ntawm kev tsim cov khoom seem mus rau kev sib sau ua ke ntawm cov roj thooj voos kheej kheej, peb tau txais txiaj ntsig Japanese thev naus laus zis thiab cov txheej txheem.Tom qab nkag mus rau xyoo pua 21st, nws tau nqus cov thev naus laus zis thiab txheej txheem los ntawm lub teb chaws Yelemees thiab Tebchaws Meskas.Nws muaj cov thev naus laus zis tshwj xeeb thiab kev txawj ntse los ntawm cov khoom tsim rau cov txheej txheem tsim khoom thiab tsim thiab xaiv cov khoom tseem ceeb, uas ua kom zoo, kev ntseeg siab thiab kev tsim kho tshiab ntawm cov khoom.