螺紋加厚 的英文怎麼說

中文拼音 [luówénjiāhòu]
螺紋加厚 英文
spiral thickening
  • : 1. [動物學] (軟體動物) spiral shell; snail; conch 2. (螺旋形的指紋) whorl (in fingerprint)
  • : 名詞(花紋; 紋縷兒) lines; veins; grain
  1. Vessels solitary with angular outline ; perforation plates scalariform ; intervessel pits and vessel - ray pitting alternate to scalariform ; helical thickenings only in vessel elements tails

    導管橫切面為多角形,單管孔,散生。螺紋加厚僅出現導管分子尾端。梯狀穿孔為主。
  2. Wood semi - ring - porous ; vessels solitary with angular outline ; perforation plates reticulate and scalariform ; intervessel pits and vessel - ray pitting alternate ; helical thickenings throughout body of vessel elements

    單管孔,散生;整個導管分子上具螺紋加厚。網狀和梯狀穿孔。
  3. Fibres with thin - to thick - walled

    螺紋加厚出現整個導管分子壁上。
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