表39 鋼芯鋁絞線(39)

導(dǎo)線型號:LGJ-125/20輻射系數(shù):0.6;導(dǎo)體表面吸收系數(shù):0.5計算載流量(A)風(fēng)速(m/s)日照強度(W/m2)環(huán)境溫度(℃)/導(dǎo)線溫度(℃)05101520253035400.5100705445245024804574334073803518057255353351349247144842540090596579561542523504484462440115648633618603587571555538521500705345134 ......（本文共 1180 字 ）     [閱讀本文] >>