孔纹导管的英文

• pitted vessel

• 孔:    hole; opening; aperture
• 纹:    lines; veins; grain
• 导管:    conduit; conduit pipe; draug ...
• 孔纹假导管:    pitted tracheid
• 横纹导管:    trabecular vessel

例句与用法

1. Secondary xylem consists of pitted vessels, parenchyma fibers and rays .
   次生木质部由孔纹导管、薄壁组织及射线所组成。