Vim li cas qhov muag tsis pom rivets tawg lub mandrel thiab tsis nyob ntawm qhov tawg ntawm rub stud?Kuv

1. Lub zog rub ntawm lub mandrel nws tus kheej tsis ruaj khov, lub zog taw tes tawg yog ze rau lub zog rub ntawm mandrel nws tus kheej, lossis kev kho cua sov tsis ua tiav, thiab lub mandrel yog nkig.

2. Lub mandrel tau puas lawm ua ntej riveting.

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