Xov xwm

Nuv thiab cov saw tshuaj xyuas thiab kev ceev faj rau kev siv

Raws li peb txhua tus paub, thaum siv cov lus sau, tusnuvthiab chains yuav hnav thaum lub sij hawm siv ntau zuj zus. Yog vim li cas vim li cas peb yuav tsum tau mus xyuas lubnuvthiab cov chains thiaj li ua kom muaj kev nyab xeeb ntawm kev ua haujlwm hoisting, tshwj xeeb tshaj yog tom qab tus nuv thiab saw tau siv rau ib ntus. Yuav ua li cas peb yuav soj ntsuam txhua yam ntawm hooks thiab chains thiab dab tsi yog kev ceev faj? Kev ceev faj rau kev tshuaj xyuas cov nqa hooks: Raws li qhov ua tau, cov hooks nquag siv yuav tsum tau tshuaj xyuas txhua lub caij. Lub hom phiaj tseem ceeb yog los xyuas kom meej tias ob txoj hauv kev ntawm lub cev sib txuas thiab qhov txaus ntshai. Thaum kuaj lub lifting nuv, ntxuav lubrab khuamLub cev nrog kerosene ua ntej, thiab tom qab ntawd siv 20-nkaus lub khob loj dua kom kuaj lub cev nuv kom tawg. Yog pom cov kab nrib pleb, nres siv nws thiab hloov nrog ib qho tshiab nuv.Thaum qib siab ntawm qhov siab tshiab, nws kuj yuav tsum tau hloov nyob rau lub sijhawm. Kev ceev faj rau kev tshuaj xyuas ntawm lub Lifting saw: Qhov siv kub li qub yog nruab nrab ntawm -40 ° C, thiab nws yog txwv tsis pub tshaj tawm los txuas nruab nrab ntawm txoj saw hlau thaum siv. Zam kev tshwm sim ntawm overloading ntawm txoj saw hlau uas yuav cuam tshuam rau lub neej kev nyab xeeb kev nyab xeeb ntawm kev nqa sling. Los ntawm cov lus qhia saum toj no, peb yuav tsum nkag siab tias kev nyab xeeb ntawm tag nrho cov haujlwm yog tsis muaj ntau yam ntawm cov kev ua haujlwm kom raug, yog li thaum koj siv tus nuv thiab saw Nws yog ib qho tsim nyog yuav tau ua txoj haujlwm zoo ntawm kev kuaj xyuas raws sijhawm, thiab ua tib zoo saib xyuas cov txheej txheem ua haujlwm, yog li ua kom tau txais txiaj ntsig zoo thiab txhim khu kev qha hoisting ua haujlwm.
Cov xov xwm ntsig txog
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