单词	波面图
释义	波面图skiodrome
随便看	direct transfusion direct transhipment direct transit area direct transit arrangements direct transit circuit direct transition direct transition type semiconductor direct transmission direct transmission factor direct transmission system direct transshipment direct trigonometric function direct-trip circuit-breaker direct trunking direct trunking system direct tube boiler direct tuning direct tunneling direct tunneling current direct tunneling mechanism direct tunneling model direct tv direct type lubricator direct type recorder direct undertaking work