相关仪 [仪] correlator

自相关仪 auto-correlator

万能管线相关仪 Leakfinder RT

开关仪表 switch instrument

公关礼仪 Etiquette for Public Relations ; public relations etiquette ; PR etiquette ; public relation and etiquette

有关丧事的礼仪 obsequies ; funeral

仪表开关 meter switch ; instrument switch

相关仪表 Instrument

相关式测长仪 correlation length measuring instrument