Haemonchus contortus is a soil-transmitted parasite.
Haemonchus contortus is a soil-transmitted parasite.
Haemonchus contortus is a soil-transmitted parasite.
Haemonchus contortus is a soil-transmitted parasite.
Haemonchus contortus is a soil-transmitted parasite. A: 正确 B: 错误
Haemonchus contortus is a soil-transmitted parasite. A: 正确 B: 错误
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