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()
A.50N,175°,100° B.70N,175°,100° C.50N,165°,100° D.80N,165°,120°正确答案A
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()
A.50N,175°,100° B.70N,175°,100° C.50N,165°,100° D.80N,165°,120°正确答案A