Hauv nroog ua yeeb yam, raws li lub npe qhia, yog kev sib xyaw ua ke ntawm peb lossis ntau qhov chaw lag luam, chaw nyob, chaw ntiav pw, kev lom zem, kev lom zem, kev lom zem, kev lom zem, kev thauj mus los. Nyob rau tib lub sijhawm, nws tsim kev sib txuas lus sib txuas thiab sib sau ua ke, ua kom muaj ntau txoj kev sib raug zoo, uas tseem yog qhov ua tsis tau muaj ntau lub nroog loj tam sim no. Txhawm rau kom ntseeg tau tias cov haujlwm hauv nroog, yog cov ntaub ntawv sib kis tau xws li cov ntaub ntawv sib kis tau xws li cov ntaub ntawv sib kis tau zoo li qub: Yog lawm, yog tias cov neeg siv muaj cov kev xav tau tshwj xeeb, muaj cov kab txuas ntxiv tau muab cov khoom sib txuas ua ke los muab cov kev daws teeb meem tas nrho.
Cov Khoom Tseem Ceeb
PLC kho qhov muag txhais
Tsawg txoj kev them nyiaj tsawg, qis pdl dav dav dav heev wavelength: los ntawm 1260ndm mus rau 1650nm. Zoo heev ib puag ncig thiab tshuab ruaj khov. Fiber yam: G657A lossis cov neeg yuav khoom tau sau tseg: cov yeeb nkab steel lossis ABS Customization raws li cov neeg siv khoom xav tau