Don Webb Ua
Dec 5, 2019 09:01
Hloov chaw siv cov xaim nkees thiab tawg kom tsis txhob siv poj niam menyuam roj hmab springs. Qee qhov ntev ntawm cov khoom siv caij nplooj ntoos hlav tuaj yeem siv los hloov tag nrho cov hlau, lossis ib feem zoo nkauj ntawm lub caij nplooj ntoos hlav tuaj yeem siv los ua qee qhov deflection ntawm kev hloov ntawm lub phaj thiab cov hlau. Koj tuaj yeem yuav qhov ntev ntawm cov khoom siv caij nplooj ntoos hlav, thiab lub caij nplooj ntoos hlav compression lossis lub caij nplooj ntoos hlav nro yuav ua haujlwm (txawm hais tias lub caij nplooj ntoos hlav compression txhais tau tias koj txhais tes tau qhib thiab xa khoom! Lub khw muag khoom kho vajtse tuaj yeem siv tau ntau hom kev sib tw, Ib qho tseem ceeb tshaj plaws uas kuv pom thaum kawm cov ntaub ntawv xov hlau / ntiv tes: koj paub thawj ob yog, tab sis kuv stumbled rau qhov thib peb. Ib yam twg tuaj yeem khoov ua ntej nws nres (piv txwv li lub caij nplooj ntoo hlav).
