astragal tool缘线刀;[机] 半圆刀具
astragal window横木窗
wooden astragal木制玻璃格条
astragal tile半圆装饰砖
safety astragal安全边
astragal frieze半圆饰雕带
und astragal门扇盖缝条
welding astragal焊接泡
astragal l圈线
N（名词） a small convex moulding, usually with a semicircular cross section 一种有半圆横截面的小凹面模型件 (Also called bead)
N（名词） a moulding having the form of a string of beads 一串玻璃粉状的模型件