求翻译：本文首先给出了氨合成现场仪表设计选型严禁采用铜及铜合金材料的化学机理，提出了温度、流量、液位、控制阀等的设计选型方案。是什么意思？

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This article is first to spot the ammonia synthesis instrument design do not use copper and copper alloy materials, chemical, the temperature, flow, level, control valve, design programs.

This article first gave the ammonation to become the scene measuring appliance design shaping to forbid strictly using copper and the copper alloy material chemism, proposed the temperature, the current capacity, the fluid position, the control valve and so on the design shaping plan.

正在翻译，请等待...

正在翻译，请等待...