灭火器的箱门性能检查中,经测力计实测检查,开启力不大于( ),箱门开启角度不小于( ),箱盖开启角度不小于( )
发布时间:2020/4/21 12:28:00
A、50N,175°,100°
B、60N,175°,100°
C、80N,165°,90°
D、80N,165°,120°
B、60N,175°,100°
C、80N,165°,90°
D、80N,165°,120°
答案:A