- donkey drain pipe
- 副: assistant
- 泄水: weepage; sluicing
- 管: pipe; tube
- 泄水管: drain line; drain pipe; drainage tube; lower leg; run off pipe; runoff pipe; scu er pipe; scupper pipe; sluice pipe; tap pipe; water discharge pipe; weedrain
- 底泄水管: bottom emptying galllery
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