hòu / fāng / bú / duàn / shū / sòng / yǒu / shēng / lì / liàng / bāng / zhù / bù / duì / huī / fù / zhàn / dòu / lì

后方不断输送有生力量，帮助部队恢复战斗力。

The rear kept sending fresh personnel to help the troops regain their fighting strength.