词汇	water opening
释义	water opening 冰间水面
随便看	Network Trust Environment Network trust management network trust system network tunnel Network Tutoring System network tv network TV network-tv Network type network type analog computer network-type analog computer network-type analogue computer network type basic industry network type computer network-type computer network-type interaction network-type oligopoly market structure network type protection network under uncertainty Network union network unit network unit construction network unit modeling Network units configuration network unit-switch