Somewhere on the other side of this wall is the main drainage pipe to the prison's old sewer system.

这面墙背面的某个地方就是通向监狱原有下水系统的主排水管道。

Country women already led difficult lives: as Ms Summers points out, two-thirds of rural homes at the outbreak of war had no access to electricity or main drainage.

农村妇女的生活已属不易，在战争爆发之时，三分之二的农村家庭要么没有通电， 要么没有通水。