The gas nitriding process control systems are designed to provide a fully automatic operation.
气体氮化过程控制系统的设计，提供了全自动的操作。
Combustion systems can fire on natural gas or propane.
燃烧系统可使用天然气或丙烷。
The rates of electricity and natural gas will influence the ranking of systems.
电价和天然气价格的波动对各方案的经济性有所影响。
The rates of electricity and natural gas will influence the ranking of systems.
电价和天然气价格的波动对各方案的经济性有所影响。
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