Dab tsi yog cov txheej txheem kev yuav khoom rau pob tshab suab teeb meem?

Muaj ntau cov khoom muffled nyob rau hauv kev ua lag luam.Qhov ntau ntawm kev siv ntawm txhua hom khoom sib txawv.Raws li qhov sib txawv ntawm kev siv, cov khoom sib txawv tuaj yeem yuav.Feem ntau, cov suab nrov nrov yog siv rau cov suab nrov hauv kev thauj mus los.Kev tswj hwm.

suab nrov barrier (4)

Lub suab nrov hauv kev thauj mus los feem ntau loj heev.Cov neeg tsis tuaj yeem nyob hauv lub suab nrov no.Lawv tshaj li qhov ib txwm muaj uas tib neeg ua siab ntev, yog li lub suab nrov yuav tsum raug tshem tawm.Txhawm rau tshem tawm cov suab nrov, tib neeg feem ntau siv lub suab rwb thaiv tsev.Hais txog kev thauj mus los, tib neeg feem ntau tuaj yeem pom kev siv cov khoom zoo li no hauv kev thauj mus los.

Nyob rau hauv txoj kev no, cov khoom pob tshab tuaj yeem siv rau hauv cov txheej txheem ntawm kev nqus cov suab nrov, thiab yog tias nws yog lub suab nrov cuam tshuam, lawv tuaj yeem cuam tshuam txoj kev sib kis ntawm tag nrho lub suab teeb meem, thiab tseem tuaj yeem muab tus neeg tsav tsheb lossis lub suab nrov. neeg nyob.Ib puag ncig qhib.

Lub suab barrier feem ntau yog siv nyob rau hauv railways thiab highways.Tam sim no, lub suab barrier feem ntau yog siv rau lub suab thiab suab nrov txo nyob rau hauv cov tsheb thiab cov chaw hauv nroog xws li txoj kev loj, txoj kev siab, kev tsheb ciav hlau hauv nroog, thiab lwm yam, thiab cov kev cuam tshuam ntawm lub suab nrov ntawm cov nroog nyob ze kuj muaj.Kev txo suab nrov ntawm lub Hoobkas thiab lwm qhov chaw nrov nrov.

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Post lub sij hawm: Oct-18-2019
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