A.接縫應(yīng)均勻、順直 B.孔洞、槽、盒應(yīng)位置正確 C.安裝應(yīng)垂直、平整 D.板材接縫方法符合設(shè)計(jì)
A.25 B.30 C.32.5 D.35
A.8~10mm B.8~12mm C.10~12mm D.12~15mm