low-story 下層low-stand fan [地球科學]低水位扇low-spiritedness adj.無精神的；意志消沉的low-spiritedly adj.無精神的；意志消沉的low-spirited adj.無精神的；意志消沉的low-speed winch [機械工程]慢速卷敭機慢動卷敭機low-speed pump [機械工程]低速泵low-speed gear [交通運輸工程]低速檔[能源科學技術(shù)]低速齒輪low-speed folding-fin aircraft rocket [航空、航天科學技術(shù)]低速折疊翅機載火箭low-speed aerodynamics [物理學]低速空氣動力學low-speed n.低速率low-specific-speed centrifugal pump [機械工程]低比轉(zhuǎn)速離心泵low-specific-speed 低比轉(zhuǎn)速low-slung adj.低車身的；造得很低的；矮的low-skilled labour [新聞學與傳播學]低技術(shù)勞工low-skilled labor [經(jīng)濟學]低技能勞動力low-sinuosity stream [環(huán)境科學技術(shù)]低彎度河流low-sinuosity channel [能源科學技術(shù)]低彎度河道low-set-clay 低沉降性粘土low-set ears 低位耳