arch with joggled joints带: belt; girdle; ribbon; band; ...啮合: clench the teeth mesh; engag ...接头: connect; join; joint的: 4次方是 The fourth power of 2 i ...啮合接头: joggle joint下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:带啮合接头的拱，即可在微信中查询翻译
