E面金属膜片滤波器
E plane metal septum filter
非金属-金属转化
nonmetal-metal transition
介质和金属膜片混合加载
hybrid dielectric-iris-loaded travelling accelerating structure
金属－金属髋关节假体
Metal-on-metal hip prostheses
Ni+M复合金属膜层
Ni+M multi-layer metal film
保险丝型金属膜电阻器
fusible metal film resistor