The equipment renewal or remake is a long-term hard task and the sinuation or conflict probably appears. 摘要设备的更新改造是实验室工作一项长期而又艰巨的任务。
New headway was made in technical updating and transformation of enterprises, which played an important role in structural adjustment. 企业更新改造取得新进展，在结构调整中发挥了重要作用。
