A.偏離主節(jié)點(diǎn)的距離不應(yīng)大于600mm B.偏離主節(jié)點(diǎn)的距離不應(yīng)大于300mm C.偏離主節(jié)點(diǎn)的距離不應(yīng)小于400mm D.偏離主節(jié)點(diǎn)的距離不應(yīng)小于500mm
A.0.1 B.0.15 C.0.2 D.0.25
A.30 B.35 C.40 D.50