短語(yǔ)詞組短語(yǔ)duty -cycle time 工作時(shí)間high duty -cycle 高佔(zhàn)空比dynamic duty -cycle 動(dòng)態(tài)佔(zhàn)空比Rated Duty -cycle 額定負(fù)載持續(xù)率 返回 duty-cycle