poor maintenance of equipment

例句：

1. 1. The old building needs urgentmaintenance to prevent further damage.
   这座老建筑需要紧急维护，以防止进一步损坏。
2. 2. The poormaintenance of the equipment has led to frequentbreakdowns.
   设备的维护不良导致频繁故障。
3. 3. Thecompany's poor maintenance policy is causinga lot of customer complaints.
   公司的糟糕维护政策正引发大量客户投诉。