scalariform ductscalariform vessel梯: ladder; stairs; steps; stair ...纹: lines; veins; grain导管: conduit; conduit pipe; draug ...梯纹导管, 梯状穿孔导管: scalariform vessel横纹导管: trabecular vessel下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:梯纹导管，即可在微信中查询翻译
