单词	spring-opposed bellows
释义	spring-opposed bellows 弹簧承力波纹管
随便看	precision difference pressure gauge precision differential manometer Precision digital Precision digital pressure Precision Dimensional Measurement with SPM Precision Direction Finder precision disadvantage precision disc grinder precision display precision distance measurement Precision Distance Measuring Equipment precision distance measuring equipment, PDME precision distribution Precision Doppler VHF Omni Range precision Doppler VOR precision dose profile precision-dose profile precision drawing precision drawing function precision drawing instrument set precision drill precision drill chuck precision drilling precision drilling machine precision drilling technology