提升信号系统的改造是煤炭企业技术改造的一个重要组成部分。
Signal system upgrade mine hoist control system is an important component performance of the system.
同时指出了企业进行技术改造的步骤。
In addition, the steps technical revamp for enterprise is gave too.
该定径机可为钢管企业的技术改造提供设备选型参考。
The mill is worth using as reference for technical upgrades of relevant tube makers.
该定径机可为钢管企业的技术改造提供设备选型参考。
The mill is worth using as reference for technical upgrades of relevant tube makers.
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