精密仪器厂 instrument precision: 仪表精确度; 仪器精度precision instrument: 精密度仪器; 精密仪表; 精密仪器instrument precision bearing: 仪器精密轴承non-precision instrument runway: 非精确仪降跑道non-precision-instrument runway: 非精密仪降跑道下载手机词典可随时随地查词查翻译