Qhov sib txawv ntawm PPR cov kav dej kub thiab txias:
1. Qhov sib txawv ntawm cov khoom siv raw: cov khoom siv raw ntawm ppr cov dej txias yog Yanshan 8101, thiab cov khoom siv raw ntawm ppr cov kav dej kub yog Yanshan 4220;
2. Qhov sib txawv loj hauv siab: ppr cov kav dej txias feem ntau muaj kev sib zog ntawm 1.25MPa thiab 1.6MPa, thaum ppr cov kav dej kub feem ntau muaj kev nyuaj siab ntawm 2.0MPa thiab 2.5MPa;
3. Qhov sib txawv ntawm cov kab cim: ppr cov kav dej txias yog cov kab cim xim xiav, ppr cov kav dej kub yog cov kab cim liab