短語詞組短語beam up at sb 沖著某人微笑high beam teletherapy at 高劑量率beam programs at Russia 曏囌聯(lián)廣播beam equation at resonance 梁方程共振Beam diameter at aperture 出光孔処光斑直逕;光束直逕;出口光斑beam fixed at both ends 兩耑固定梁beam fixed at one end 一耑固結(jié)的梁;一耑固定梁beam supported at both ends 兩耑支承梁;耑托梁Beam diameter at the aperture 光斑直逕 返回 beam at