Puas yog koj lub qhov rooj hluav taws xauv rau cov qauv? BS EN 1634 tus qauv ua lub luag haujlwm tseem ceeb hauv kev ua kom muaj kev nyab xeeb thaum hluav taws. Tus qauv no txhais tau cov cai rau kev tiv thaiv cov xauv hluav taws, qhov tseem ceeb rau kev tiv thaiv hluav taws thiab cov pa luam yeeb, peb mam li tshawb nrhiav dab tsi BS en 1634 tus qauv yog. Nyeem ntxiv

Nyob rau hauv lub ntiaj teb niaj hnub no, kev ruaj ntseg yog qhov tseem ceeb tshaj plaws rau cov lag luam ntawm txhua qhov ntau thiab tsawg. Seb nws tiv thaiv cov khoom muaj nqis, cov ntaub ntawv nkag siab, lossis cov neeg ua haujlwm kev nyab xeeb, xaiv txoj cai xauv yog qhov tseem ceeb. Lub ntsuas hluav taws xob hnyav-lub luag haujlwm yog qhov tseem ceeb rau cov chaw siab zoo li cov tsev txhab nyiaj, chaw haujlwm, thiab cov khw muag khoom noj. Nyeem ntxiv

Yuav ua li cas xaiv qhov loj me rau lub CE muaj ntawv pov thawj thauj khoom uas koj xaiv qhov loj me rau koj cov xim ua ke rau kev ua lag luam zoo? Nyeem ntxiv

Cov ntawv pov thawj CE European Cov xauv qhov ntau thiab tsawg thiab cov ntawv pov thawj European lag luam locks yog qhov tseem ceeb rau kev ruaj ntseg thiab ua raws. Cov load no tau ntsib cov qauv phom sij European rau kev nyab xeeb thiab kav ntev. Nyeem ntxiv

Xaiv lub xauv txoj cai tseem ceeb tshaj li koj xav tias cylindrical gr cylise cylinde cylinde cylinde kev nyab xeeb hauv kev ruaj ntseg. Nyeem ntxiv

Kev ruaj ntseg yog qhov tseem ceeb tshaj plaws rau cov lag luam hnub no. Yog tsis muaj txoj kev tiv thaiv txoj cai, cov chaw lag luam muaj zog rau cov tub sab thiab tawg.Yog cov ncej no, peb yuav tshawb txog qhov tseem ceeb ntawm cov haujlwm hnyav-ua haujlwm ntsuas nrog cov tuag. Nyeem ntxiv