Existing problems in new erected urea plant are briefly discussed in the aspects of process, equipment, meters, environment protection and operation etc. Some modification idea is put forward.

从新建尿素装置的工艺、设备、仪表、环保及操作等问题入手，粗浅地讨论了出现的相关问题，并提出了探讨性的观点和措施。

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With simple structures, the equipment is easily to be erected and flexibly to be adjusted.

设备结构简单，便于安装，各部位调节灵活。

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Contractors have been replacing catenary wires the overhead electric cables that power trains in various spots along the line since 1991, and in some cases replacing original equipment erected in 1907.

WSJ: Rail Corridor Hit With Major Outage