Top Cover， Bottom Cover， And Cover Board

Bead-string-bead phenomenon

cover-to-cover translation

from cover to cover

with average cover {= WA Cover}

A STRING OF BEAD ANOMALY

abacus-bead stone

abrasion-resistent plate by hard bead welding

Adenanthrea bead-tree

affinity screening magnetism bead migration

agate bead

Algal alginate-bead

alumina bead

angle bead

anion cellulosic bead

anion resin bead

Antibiotic-PMMA bead

aromatic bead

avascular necrosis of femoral bead