Puas yog nws tuaj yeem siv hluav taws xob hluav taws xob los npaj rau ntug ntawm lub plywood ntawm 45-degree kaum

Lub kaum pob txheem txheem yog 90, uas yog, qhov kawg ntawm lub ces kaum raug txiav ntawm 45 degrees, thiab 4 * 20 tus kheej tapping screws yog siv los ntswj cov ceg kaum sib dhos thiab khawm cov npoo ... Qhov no tuaj yeem txuag ib co ntoo.