短語詞組短語gauge bob head 規(guī)管gauge bob head assembly 規(guī)管安裝glass ion gauge head 玻殼電離規(guī)管pressure gauge head 壓力表拷克ball gauge head 球形測頭pneumatic gauge head 氣動測頭air bearing gauge head 氣浮測頭Hot cathode vacuum gauge head 熱陰極電離真空規(guī)管 返回 gauge head