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生殖腺开口于近腹部基部,排泄器官通常为马氏管。
The gonads open near the base of the abdomen and the excretory organs are usually Malpighian tubules.
youdao
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生殖腺开口于近腹部基部,排泄器官通常为马氏管。
The gonads open near the base of the abdomen and the excretory organs are usually Malpighian tubules.
youdao