短语词组短语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 返回 astragal