backlogging

1.(加置炉膛深处的)垫薪圆柴;〔口语〕存货;储备金;应急预备用物;积压的工作;未交付的订货

2.滞留

3.后备

1.积压

1.a quantity of unfinished business or work that has built up over a period of time and must be dealt with before progress can be made

2.a large log placed at the back of an open fire

3.an amount of work or other things that you should already have done or dealt with

1.to accumulate work or material that needs to be dealt with