The mechanical tissue flakily situated in the downside of the main vein and the bigger lateral veins.
机组织成片存在
主脉和较
脉靠下表
。
The mechanical tissue flakily situated in the downside of the main vein and the bigger lateral veins.
机组织成片存在
主脉和较
脉靠下表
。
The mechanical tissues were mainly composed of fibre, flakily situated in the tops and bottoms of most veins.
纤维组成的机
组织,成片存在
多数叶脉的上下方。
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