单词	第二層紀
释义	同Dyasformation
随便看	overhead switching over-head system overhead system overhead telephone line overhead television over head throw overhead time overhead total overhead tow conveyor overhead trackage overhead traffic overhead transmission line overhead transparency overhead traveler overhead traveling crane overhead traveling crane overhead traveling crane--bridge crane overhead travel(l)er overhead travelling cleaner over-head travelling crane overhead travel(l)ing crane overhead travel(l)ing crane overhead travelling crane overhead travelling crane with crab overhead travelling crane with hoist