The result showed that the excretory system of each consists of the flame cells, the excretory tubes and the excretory bladder.
结果显示，两种吸虫的排泄系统均由焰细胞、排泄管和排泄囊组成。
The result showed that the excretory system of each consists of the flame cells, the excretory tubes and the excretory bladder.
结果显示，两种吸虫的排泄系统均由焰细胞、排泄管和排泄囊组成。
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