Bawo ni lati se iyato skru, boluti ati eso?
Irisi ti o yatọ 1. Screw: Iru pẹlu opin iwaju ti o ni itọka, pẹlu ipolowo ti o tobi ju ati ilana iyipo iyipo iyipo. 2. Bolt: cylindrical threaded fastener with nuts, including hexagonal head, round head, square head, countersunk head, etc. 3. Nut...
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