Vascular trachied, fibretracheid and libriform wood fibres were also found.
一端为单穿孔板,另一端为梯状穿孔板的
;
Vascular trachied, fibretracheid and libriform wood fibres were also found.
一端为单穿孔板,另一端为梯状穿孔板的;
明：以上
句、词性
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