Dab tsi yog qhov feem ntau siv hose kev faib tawm?

Dab tsi yog qhov feem ntau siv hose kev faib tawm?
Rau kev siv cov roj hmab hose, cov khoom siv yog luv luv hauv kev lag luam.Thawj qhov kev xaiv yog lub siab-siab roj hmab hose nrog steel hlau yog feem ntau siv.Nyob rau hauv kev pom ntawm lub siab zoo thiab roj kuj, nws yog siv nyob rau hauv cov khoom sib txuas, siv machinery, hydraulic props, thiab lwm yam. Qhov siab tshaj plaws siab mus txog 70Mpa.
Rau cov roj hmab hose nrog ntaub, cov dej ntau yog dav dua.Muaj dej, av nkos, roj hydraulic, roj emulsified, dej kub thiab chav siv tau.
Loj-inch roj hmab hose, 6 khaubncaws sab nraud povtseg ntawm cords sandwich ib txheej ntawm kauv hlau hlau, nyob rau hauv lub mob ntawm tsis zoo siab,
Cov khoom xa tawm feem ntau yog steel braided roj hmab hoses thiab cov roj hmab zoo tib yam hoses, thaum lub sij hawm xa tawm ntawm tsheb roj hmab hoses nrog cov ntsiab lus siab yog tsawg.Ntawm cov hoses, tshuaj fiber ntau winding kav, braided kav, knitted kav, steel hlau braided kav, winding kav thiab resin hoses account rau ntau tshaj 60%, uas yog tseem nyob ze rau lub thoob ntiaj teb advanced theem.Vim tias cov khoom tsim tau raws li cov qauv thoob ntiaj teb, nws yog qhov tsim nyog rau kev xa tawm cov khoom siv roj hmab hose hauv kuv lub tebchaws.
Lub peev xwm ntau lawm ntawm cov khoom siv roj hmab tseem ceeb yog cov khoom lag luam zoo tshaj plaws hauv ntiaj teb.Txawm hais tias kuv lub teb chaws cov khoom siv roj hmab hose muaj cov yam ntxwv tseem ceeb rau ntau cov khoom xa tawm, qhov tseeb export ntim tseem me me.Raws li kev txheeb cais los ntawm National Bureau of Statistics, nyob rau xyoo tas los no, tus nqi xa tawm txhua xyoo ntawm cov raj roj hmab tsuas yog suav nrog tsawg dua 1% ntawm tag nrho cov khoom xa tawm txhua xyoo ntawm cov khoom siv roj hmab, 9.5% ntawm cov khoom xa tawm txhua xyoo ntawm cov log tsheb, thiab 1.4% ntawm txhua xyoo export tus nqi ntawm cov khau roj hmab.Tsis tas li ntawd, nws tau kwv yees tias tus nqi xa tawm ntawm kuv lub teb chaws cov khoom siv roj hmab hose suav txog li 10% ntawm tag nrho cov khoom tsim tawm.