威博灶具一级能效热效率高达（）

A.一级、63%

B.一级、65%

C.一级、61%

A.搭配可调节换装底盘

B.点火时需要长按3-5秒

C.五段火力调节：最大火力4200W（T）、最小火力380W

D.灶具热效率61%，国家二级能效

E.灶具热效率63%，国家一级能效

A.63%.65%

B.65%.70%

C.53%.69%

D.63%.66%

A.1级能效

B.2级能效

C.108%热效率，欧盟燃气热水设备A级，最高能效级别

D.5级氮氧化物排放，最优等级

A.58%

B.68%

C.78%

D.88%

A.一级能效,89%,90.2%

B.二级能效,90%,92.0%

C.一级能效,90%,90.2%

D.二级能效,89%,90.2%

A.二级 89%

B.一级 98%

C.二级 95%

D.一级 99%

A.0.38

B.0.4

C.0.41

D.0

A.55%

B.60%

C.63%

D.68%

A.96%

B.90%

C.85%

D.84%

A.35%

B.40%

C.41%

D.42%