Coppery rudder bush loosen and corrosion of rudder bracket are found frequently when vessel is in repair.

修船中常会遇到铜质舵承出现松动，舵承座孔被腐蚀的情况。

youdao

Coppery rudder bush loosen and corrosion of rudder bracket are found frequently when vessel is in repair.

修船中常会遇到铜质舵承出现松动，舵承座孔被腐蚀的情况。

youdao