Qhov ntev ntawm cov ntsia liaj qhov rooj yog txawv, qhov ntev ntawm cov ntsia hlau yog tag nrho cov threaded, thiab cov ntsia hlau ntawm ib nrab threaded bolt muab faib ua ob feem, ib feem yog cov xov thiab ib feem yog lub teeb. Tag nrho threaded bolt tuaj yeem ntsia tau rau qhov kawg thiab ib nrab threaded ntsia liaj qhov rooj tsuas tuaj yeem ntsia tau rau ntawm qhov threaded. Tsis tas li ntawd, thaum ua cov bolts, ib nrab xov bolts tuaj yeem txo qhov kev ua haujlwm thiab txuag tus nqi yam tsis muaj kev cuam tshuam rau kev siv.
Dab tsi yog qhov txawv ntawm ib tug tag nrho thread bolt thiab ib nrab xov bolt?
Jun 07, 2024
Tso lus