- control lead
- operating arm
- operating pipe
- 操纵: operate; control; roll; stee ...
- 管: pipe; tube
- 操纵管路: pilot line
- 纵管: ductus longitudinalis; longitudinal tubule
- 附卵巢纵管: ductus epoophori longitudinalis; longitudinal duct of epoophoron
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