短語詞組短語focusing storage ring 弱聚焦存儲(chǔ)環(huán)weak -focusing storage ring 弱聚焦存儲(chǔ)環(huán)eyepiece focusing ring 目鏡調(diào)焦環(huán);目鏡self -focusing ring 自聚焦環(huán)focusing ring for fiberscope 纖維光束內(nèi)窺鏡用調(diào)焦輪ring focusing 環(huán)型聚焦 返回 focusing ring