Investment is needed to reduce the backlog of repairs.
需要投资来減轻
维修
作。
未办之事，
作；没交付订货)大木柴
词Investment is needed to reduce the backlog of repairs.
需要投资来減轻维修作。
It will take a month to clear the backlog of work.
要花一个月时间才能清理完作。
After her summer vacation,she has got a huge backlog of work to do.
暑假休假以后,她手头有
作要做。
A huge backlog of work had built up.
一大堆作了起来。
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