Koj puas twv siv txoj saw 80 tawg? Qee tus neeg yuav hais qhov no tsis yog qhov tsis tseem ceeb, ntawm chav kawm tsis txhob twv siv ah, yog tias qhov haujlwm hauv tsev thaum muaj qhov tshwm sim ntawm pob txha tsis txaus ntshai tsis xav txog. Qhov no tsis yog qhov tsis tseem ceeb, muaj yeej yog ib feem ntawm cov neeg, ua siab tawv, muaj lub siab xav zoo. Kuv xav rov qab siv nws dua. Nws yuav tsis muaj teeb meem. Yuav tsum ncaj ncees, lub nra-kev muaj peev xwm ntawm chav kawm 80 saw yog qhov tsis lees paub, tab sis qhov ntawd tsis yog kev zam rau kev siv cov saw hlau thaum nws twb ua puas lawm. Tom qab kev puas tsuaj ntawm lub saw 80 yuav tsum tau muab pov tseg tsim nyog, raws li kev puas tsuaj rau tus kws txiav txim plaub, saib seb puas muaj peev xwm txuas ntxiv mus ua haujlwm.
1, thaum lub saw deformation, qee tus neeg yuav xav tias cov saw li tuab deformation tsis tawg, yuav tsis cuam tshuam rau kev siv. Qhov ntawd yuam kev loj. Kev rhuav tshem ntawm ib cov saw cuam tshuam cov kabmob muaj peev xwm ntawm tag nrho cov qauv saw hlau. Piv txwv, cov kabmob qhov peev xwm tsis pub dhau ntawm 80 chav kawm yog 30T. Yog tias deformation tshwm sim, lub peev txheej hnyav yuav poob mus rau 25T. Qhov no tsis yog cov ntsuas. Vim tias qhov hloov tau zoo tsis tuaj yeem pom lub ntsej muag liab qab, qhov xwm txheej no xav kom peb hu rau lub chaw tsim khoom saw ntawm *** rau kev tshuaj xyuas thiab kho.
2, lub saw zoo li tawg, qee tus neeg yuav siv hluav taws xob vuam vuam kev xav yuav tsis muaj teeb meem, qhov no tsis yog qhov hnyav, qhov zoo siv txoj xov hlau khi. Piv txwv li, yog tias cov xov hlau luv thiab koj khi nws nrog hlua, koj yuav tsis tuaj yeem rub nws tawm, tab sis nws yuav muaj zog? Cov saw hlau nqa khoom ntau tons. Cov xwm txheej no ncaj qha pluaj rau cov saw tshiab.
3. Tsuas yog tsim cov txheej txheem dub dub nyob sab saum npoo ntawm cov saw hlau tau poob tawm. Tus neeg siv khoom tuaj yeem lis nws los ntawm nws tus kheej.
