菊花介子的英文

• tooth washer

• 菊花:    chrysanthemum
• 介子:    meson; mesotron; misoton; ba ...
• 内菊花介子:    internal tooth lock washer
• 外菊花介子:    external tooth lock washer
• 菊花:    chrysanthemum 中国菊花品种居世界第一。 公元10世纪时, 宋朝刘蒙所著《菊谱》中指出, 变异可形成生物的新类型, 记有35种菊花品种。 china ranks first in the world for the number of species of chrysanthemum. thirty-five varieties of chrysanthemum were recorded in “a manual of chrysanthemum,” written by liu meng of the song dynasty (960 a.d.-1279 a.d.), who pointed out that variation led to more biological species