activated nitriding process的用法和样例：
- The company's nitriding process is divided into:gas soft-nitriding,MGN and gas rigidity-nitriding.
- The paper makes a primary approach to a two big problems on the long period and the heavy brittleness resulting from gas nitriding process.
- Gas nitriding process is graduately replaced by ion nitriding process because of taking long time and expending a large amounts of gas.
- The crankshaft is treated by good nitriding process, which can meet the strength requirement for Euro 2 emission level (max. cylinder fire pressure 130 bar).