low tone 低（聲）調(diào)low timid voice [毉葯科學]聲音低怯low tide slack water [測繪科學技術(shù)]低潮峙憩流low tide 低潮；（事物發(fā)展的）低落期low tidal volume [毉葯科學]小潮氣量low thinning [辳業(yè)科學]下層間伐下層疏伐low thermal mass furnace 低熱慣性爐low thermal inertia furnace [機械工程]低熱慣性爐low tension voltage 低電壓low tension test pencil [經(jīng)濟學]低壓測電筆low tension electrical porcelain insulator [經(jīng)濟學]低壓電瓷絕緣子low tension electric ignition [機械工程]低壓點火low tension 低壓的；低電壓；帶低壓的low temperature thermocouple thermometry [數(shù)學]低溫熱電偶測溫術(shù)low temperature thermal oxidation [物理學]低退火溫度low temperature thermal [環(huán)境科學技術(shù)]低溫熱解low temperature strain gauge [動力與電氣工程]低溫應(yīng)變計low temperature steel [材] 低溫鋼low temperature sensitivity [機械工程]低溫感low temperature season load [經(jīng)濟學]低溫季荷重