A. 1 B. 10 C. 3 D. 2
A. IP55,135℃,Ⅱb,T4 B. IP65,200℃,Ⅱc,T3 C. IP65,135℃,Ⅱb,T4 D. IP55,200℃,Ⅱa,T3
A. 1.0,0.5 B. 0.8,0.6 C. 1.0,0.3 D. 0.8,0.4