Ballast duct是什么？JBP rule

fzhrxy · 发表于 2008-4-15 16:26

please refer to JBP rule chapter 11,section page 19.
The ballast duct's test pressure is ballast pump's maximum pressure.
I do not know what is the ballast duct stand for.

依然奋斗 · 发表于 2008-4-15 18:19

压在水舱输送管，或排泄管

王者到达 · 发表于 2008-4-15 19:19

不是很清楚，不过看样子是压载用的！