device for measuring nonlinear distortion factor
【物理】用带预防变更测量器具的测量器具
measuring apparatus with provisions for altering the measuring apparatus
暂无补充释义。
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invar base measuring apparatus【测】
probing head measuring instrument, electric
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graduated measuring cylinder
coincidence double-picture measuring attachment【计】
non-standard measuring tool and cutter
measuring distance or velocity by RADIO