名词
中文翻译：积压
同义词：
['backlog', 'backlog of business', 'backlog of goods']
例句：
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1.The company's backlog of orders has been increasing steadily.
该公司的订单积压量一直在稳步增加。
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2. The backlog of unfinished work is causing delays in the project.
未完成的工作量导致项目延期。
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3.The backlog of undelivered goods is a concern for the logistics department.
未交付货物的积压是物流部门的一个担忧。