n.精密線性縮小儀 linear reduction: 直線式減低precision eed reduction device: 精密減速器precision speed reduction device: 精密減速器linear reduction of tariffs: 線性關(guān)稅減讓法linear tariff reduction: 關(guān)稅全面降低下載手機(jī)詞典可隨時隨地查詞查翻譯