短語詞組短語nmr magnetic relaxation 核磁弛豫nuclear magnetic relaxation flowmeter 核磁豫弛流量計nuclear r magnetic relaxation 核磁弛豫magnetic relaxation effect 磁松弛傚應(yīng)magnetic relaxation swiches 磁性弛豫開關(guān)magnetic relaxation switches 磁馳豫開關(guān)magnetic relaxation detail 磁松弛local magnetic relaxation 磁弛豫 返回 magnetic relaxation