gas cementation

• 气体渗碳

gas cementation的用法和样例：

例句

1. This system has higher con-trolling precision and reliability,and is suitable for the control of gas,carburizing of the one or multi-ple pit furnaces.
   该系统具有较高的控制精度和可靠性，适用于单台或多台井式炉气体渗碳的控制。