词汇	互助条约
释义	互助条约 mutual-assistance pact条约
随便看	unidirectional locking mechanism unidirectional log-periodic antenna Unidirectional loop layout of devices unidirectional loop machine layout unidirectionally unidirectionally oriented web unidirectional magnetic field unidirectional magnetisation unidirectional magnetization unidirectional marshalling station unidirectional martensite unidirectional membrance rupture valve unidirectional microphone uni-directional microphone unidirectional microphones unidirectional mill unidirectional motor unidirectional movement unidirectional MT system unidirectional multiple destination unidirectional network unidirectional non-return needle Unidirectional nystagmus unidirectional ocean current unidirectional one-way element