Dab tsi yog qhov txawv ntawm lub puab lub voj luaj puab thiab lub pluaj hexagon bolt?

Ob hom screws / bolts feem ntau pom muaj nyob ntawm cov tshuab thiab khoom siv. Lub hnub qub screws feem ntau pom nyob rau ntawm cov khoom nrov txawv teb chaws, xws li cov khoom siv hluav taws xob feem ntau uas kuv tau pom dua. Ntxiv rau qhov ua tau yooj yim, ob leeg kuj muaj qhov zoo ntawm kev hnav thiab rhuav, thiab kuj yog ib qho tseem ceeb tshwj xeeb los tiv thaiv txoj kev tsis sib haum ntawm cov kws kho mob. Hexagon qhov (socket) screws yog tam sim no ntau, thiab feem ntau pom thaum sib sau cov rooj tog. Lawv pheej yig dua siv lub hnub qub txhuam thiab siv yoojyim. Qhov tsis zoo yog tias thaum lub taub yog tsawg tshaj 3 hli, nws yooj yim rau kev puas tsuaj. Vim li cas, raws li Lu Jun hais tias, Kuv muaj ib pawg ntawm ciaj ntswj uas sib npaug; lub hnub qub screws compensate rau lub shortcomings ntawm hexagonal screws, tshwj xeeb tshaj yog nyob rau hauv lub taub hau hau. Nyob rau hauv cov ntaub ntawv ntawm ib lub me me diameter. Txawm li cas los xij, tus nqi tsim thiab raug yog qhov nyuaj. Qhov tob ntawm kev sib txuas ntawm cov tshuab ntaus ntsig me me thiab nws tsis yog nyob rau hauv ib cheeb tsam nqaim. Yog li, kuv tsis tau pom L-hom ciaj ntswj thiab lub hnub qub loj ntawm lub hau ntswj taub hau