单词	线把
释义	线把医bundle of lines
随便看	maintenance free accumulator maintenance-free accumulator maintenance-free battery maintenance free bearing maintenance-free bearing maintenance-free cell maintenance-free hermetic battery maintenance-free lead-acid battery maintenance-free lead-acid cell maintenancefree operation maintenance free operation maintenance-free operation maintenance free operation period maintenance-free paint maintenance free service maintenance-free service maintenance frequency maintenance function maintenance function deployment maintenance function level maintenance fund maintenance fund management maintenance funds maintenance gang maintenance gang for catenary