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1. Kev tsim kho thiab kev lag luam
Nws yog dav siv nyob rau hauv lub zog ntawm lub tsev beams, slabs, kab, phab ntsa, thiab lwm yam, kho kom zoo nkauj, phab ntsa installation, brackets, railings, billboards, cua txias sab nraum zoov units, qhia rails, satellite receiver elevators, steel qauv rhiav, thiab lwm yam.
2. Kev siv tshuaj kho mob
(1) Kev Kho Hniav:
Thaum pib ntawm lub xyoo pua 20th, lub phab ntsa-mounted peb-kho hniav xyaum tau tshwm sim, nrog rau qhov ceev ntawm 4000 r / min, thiab qee qhov txawm mus txog 10,000 r / min. Peb-kho kho hniav laum uas tau tsav los ntawm txoj hlua hlua uas peb tseem siv dav yog nws cov derivative. yam.
(2) Otology:
Julius Lempert, leej txiv ntawm niaj hnub otology, pioneered siv hluav taws xob xyaum rau pob ntseg phais nyob rau hauv New York nyob rau hauv 1938 los kho mob pob ntseg kab mob thiab txo qhov tshwm sim ntawm lub ntsej muag paj hlwb puas. Tab sis kev xyaum hluav taws xob ntawm lub sij hawm nyuaj rau tswj thiab ua suab nrov heev. Niaj hnub nimno hluav taws xob thiab cua xyaum ua kom muaj kev sib hloov ceev thiab txhim khu lub peev xwm txiav. Kev siv cov kev xyaum ceev ceev, pob zeb diamond xyaum thiab cov dej-suction systems ua rau cov kws kho mob kom sai ua tiav kev phais kom raug thiab txo lub sijhawm ua haujlwm.
3. Marine saj zawg zog pas nrig xyaum
Cov qauv siv hluav taws xob muaj feem xyuam rau hom tshiab ntawm cov khoom siv marine drilling, feem ntau yog siv rau coring thiab sampling ntawm txheej hauv qab ntawm seabed, thiab kev tshawb fawb ntawm marine geology thiab minerals. Ua ntej, nws tau ua tiav tiav los ntawm Fabkis Lub Tsev Haujlwm Petroleum (IFP). Nws yog thawj zaug siv los tho 300-meter thiab 500-meter boreholes ntawm av, thiab tom qab ntawd tau koom tes nrog Soviet Union los tho cov roj qhov dej mus txog 3,000 meters tob. Xyoo 1965, nws tau ua tiav kev sim ntawm hiav txwv thawj zaug, thiab qhov tob tob tob txog 2,500 meters. ECSM offshore saj zawg zog pas nrig coring laum yog rau nruab tus pas nrig hloov tau, hluav taws xob laum, coring raj, laum me ntsis thiab submersible twj tso kua mis rau tib lub thav duab, txo nws mus rau seabed nrog hlau hlua, thiab muab lub zog los ntawm lub nkoj nto los ntawm lub cable kom paub. tej thaj chaw deb tswj drilling. Nws tuaj yeem laum txog 100 meters hauv dej tob ntawm 500 meters thiab tshem tawm 3.5 ntiv tes ntawm cov tub ntxhais. Lub tshuab hnyav txog 10 tons.
